Solutions :

3-letter words (1 point): 30

ARD; ART; DAE; DAS; EAR; EAS; EST; ITS; KIR; KIS; KIT; QIS; RAD; RAS; RIT; SAD; SAE; SAR; SEA; SEC; SET; SIK; SIR; SIT; SKI; TEA; TEC; TES; TIS; TSK.

4-letter words (1 point): 33

AESC; ARIS; ARTI; ARTS; CEAS; DAES; DARI; DART; EARD; EAST; ESTS; KIST; KITS; RASE; RAST; RISK; RITS; SARD; SARI; SEAR; SECT; SITS; SKIS; SKIT; STIR; TEAD; TEAR; TEAS; TECS; TEST; TRAD; TSAR; TSKS.

5-letter words (2 points): 16

ARTIS; ASTIR; CESTI; DARIS; DARTS; EASTS; KISTS; RISKS; SARIS; SKIRT; SKITS; STEAD; STEAR; STRAD; STRAE; TESTS.

6-letter words (3 points): 5

KITSET; SKIRTS; STEARD; STRAES; TESTIS.

7-letter word (7 points): 1

TSARIST.

8-letter word (11 points): 1

TSARISTS.