Solutions :

3-letter words (1 point): 36

AAL; AAS; AIA; AIT; ALA; ALS; ALT; ATE; ATT; EAS; EAT; EST; ETA; ITA; ITS; JET; LAS; LAT; SAE; SAI; SAL; SAT; SEA; SEE; SEI; SET; TAE; TAI; TAS; TAT; TEA; TEE; TES; TET; TIE; TIT.

4-letter words (1 point): 53

AALS; AIAS; AITS; ALAE; ALAS; ALTS; ASEA; ATES; EASE; EAST; EATS; ETAS; ETAT; ITAS; JEAT; JEST; JETE; JETS; LASE; LAST; LATE; LATI; LATS; SALT; SATE; SATI; SEAL; SEAT; SETA; SETT; SLAE; SLAT; STAT; STET; STIE; TAAL; TAES; TAIT; TALA; TATE; TATS; TATT; TEAL; TEAS; TEAT; TEES; TEST; TETE; TETS; TIES; TITE; TITI; TITS.

5-letter words (2 points): 22

ALATE; ETATS; JEATS; JETES; LATTE; SATAI; SETAE; SETAL; SLATE; STATE; STEAL; TAALS; TASTE; TATES; TATIE; TEALS; TEASE; TEATS; TESLA; TESTA; TESTE; TETES.

6-letter words (3 points): 11

ALATES; ATTEST; ESTATE; JESTEE; LATEST; LATTES; SETTEE; STEALT; TATIES; TATTIE; TESTAE.

7-letter words (7 points): 4

JETTIES; LAITIES; TATTIES; TESTATE.

8-letter word (11 points): 1

JETTIEST.