B
T,Q,N,K,H,E next number
The next logical letter in this progression would be 'e.' The pattern is taking every 3rd letter in reverse alphabetical order. So 3 letters before h would be e.
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern E--HE--H. That is, eight letter words with 1st letter E and 4th letter H and 5th letter E and 8th letter H. In alphabetical order, they are: ensheath
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern HE-H---E-. That is, nine letter words with 1st letter H and 2nd letter E and 4th letter H and 8th letter E. In alphabetical order, they are: henhouses
e
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern H--H-E-H. That is, eight letter words with 1st letter H and 4th letter H and 6th letter E and 8th letter H. In alphabetical order, they are: hasheesh
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern HEEH--E-. That is, eight letter words with 1st letter H and 2nd letter E and 3rd letter E and 4th letter H and 7th letter E. In alphabetical order, they are: heehawed
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern H--HEE--. That is, eight letter words with 1st letter H and 4th letter H and 5th letter E and 6th letter E. In alphabetical order, they are: hasheesh
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern -HEE--H. That is, seven letter words with 2nd letter H and 3rd letter E and 4th letter E and 7th letter H. In alphabetical order, they are: cheetah
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern H----HEE-. That is, nine letter words with 1st letter H and 6th letter H and 7th letter E and 8th letter E. In alphabetical order, they are: handwheel
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern -H-E-H-. That is, seven letter words with 2nd letter H and 4th letter E and 6th letter H. In alphabetical order, they are: wheechs wheesht
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern -H-H----E. That is, nine letter words with 2nd letter H and 4th letter H and 9th letter E. In alphabetical order, they are: phthalate