According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 3 words with the pattern O-TS-T. That is, six letter words with 1st letter O and 3rd letter T and 4th letter S and 6th letter T. In alphabetical order, they are:

outsat

outset

outsit

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern O-TSAT. That is, six letter words with 1st letter O and 3rd letter T and 4th letter S and 5th letter A and 6th letter T. In alphabetical order, they are:

outsat

According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 16 words with the pattern -U-SA-. That is, six letter words with 2nd letter U and 4th letter S and 5th letter A. In alphabetical order, they are:

bursae

bursal

bursar

bursas

cursal

futsal

hussar

outsat

outsaw

outsay

pulsar

quasar

tussah

tussal

tussar

tutsan

Tablet, tackle, tailor, talcum, target, tassel, teapot, temper, temple, tennis, thanks, thatch, theory, thrift, tinsel, toggle, toilet, toucan, travel, tripod, turkey, turnip, twelve and twenty are 6 letter words. They begin with t.