In the Scrabble dictionary, there are 2,544 words that have K and H in them. 190 have KH as a pair. 32 have HK as a pair. I'll give you the 32 and hope that's kosher:
babushka
babushkas
chachka
chachkas
chatchka
chatchkas
chatchke
chatchkes
droshkies
droshky
fishkill
fishkills
gemutlichkeit
gemutlichkeits
kazachki
kishka
kishkas
kishke
kishkes
lashkar
lashkars
latchkey
latchkeys
munchkin
munchkins
mutchkin
mutchkins
piroshki
pirozhki
shkotzim
tchotchke
tchotchkes
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern KHA-H. That is, five letter words with 1st letter K and 2nd letter H and 3rd letter A and 5th letter H. In alphabetical order, they are:
khaph
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 5 words with the pattern --K-HA-. That is, seven letter words with 3rd letter K and 5th letter H and 6th letter A. In alphabetical order, they are:
dukkhas
mokshas
pakehas
rakshas
rikshaw
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern K--K-H---. That is, nine letter words with 1st letter K and 4th letter K and 6th letter H. In alphabetical order, they are:
kickshaws
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern I-A-I. That is, five letter words with 1st letter I and 3rd letter A and 5th letter I. In alphabetical order, they are: imari
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern X---I. That is, five letter words with 1st letter X and 5th letter I. In alphabetical order, they are: xysti
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern A--AI. That is, five letter words with 1st letter A and 4th letter A and 5th letter I. In alphabetical order, they are: assai
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern A--II. That is, five letter words with 1st letter A and 4th letter I and 5th letter I. In alphabetical order, they are: aalii
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern AT--I. That is, five letter words with 1st letter A and 2nd letter T and 5th letter I. In alphabetical order, they are: atigi
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern A-A-I. That is, five letter words with 1st letter A and 3rd letter A and 5th letter I. In alphabetical order, they are: abaci acari agami
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern A-IF-. That is, five letter words with 1st letter A and 3rd letter I and 4th letter F. In alphabetical order, they are: alifs
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern I-AM-. That is, five letter words with 1st letter I and 3rd letter A and 4th letter M. In alphabetical order, they are: imams
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern WAA--. That is, five letter words with 1st letter W and 2nd letter A and 3rd letter A. In alphabetical order, they are: waacs
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern I-M-I. That is, five letter words with 1st letter I and 3rd letter M and 5th letter I. In alphabetical order, they are: iambi
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern A-OA-. That is, five letter words with 1st letter A and 3rd letter O and 4th letter A. In alphabetical order, they are: anoas
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern CIA--. That is, five letter words with 1st letter C and 2nd letter I and 3rd letter A. In alphabetical order, they are: ciaos