Solutions :

3-letter words (1 point): 51

ANI; ANT; ARC; AUE; CAN; CAR; CUE; CUM; EAU; EMS; EMU; EST; INS; ISM; ITS; JAR; JUN; JUS; MEE; MES; MEU; MIS; MUN; MUS; NAS; NIM; NIS; NIT; NUS; RAJ; RAN; RAS; SAC; SAN; SAR; SEA; SEE; SIM; SIN; SIT; SUE; SUM; SUN; TIN; TIS; UNI; UNS; USE; VIM; VIN; VIS.

4-letter words (1 point): 64

AESC; AJAR; ANIS; ANTI; ANTS; ANUS; ARCS; AUNT; CANS; CANT; CAST; CAUM; CRAN; CUES; CUNT; EAUS; EMIT; EMUS; ESTS; ISNA; JUST; MEUS; MINA; MINT; MISE; MIST; MUNI; MUNS; MUNT; MUSE; MUST; NARC; NIMS; NITS; RACA; RAJA; RANI; RANT; RAST; SACS; SANS; SANT; SCAN; SCAR; SCUM; SEMI; SINS; SITS; SMEE; SMIT; SNAR; SNIT; STIM; SUNS; TIME; TINS; TSAR; UNIS; UNIT; VIMS; VINA; VINS; VINT; VISE.

5-letter words (2 points): 49

ANIME; ANISE; ANTIS; ARCUS; ASCUS; AUNTS; CAJUN; CANST; CANTS; CASTS; CAUMS; CAUSE; CRANS; CUMIN; CUNTS; EMITS; ESCAR; INCUS; INUST; JAUNT; JUSTS; MINAR; MINAS; MINTS; MINUS; MISTS; MUNIS; MUNTS; MUSCA; MUSIT; MUSTS; NARCS; RANIS; RANTS; SANTS; SCANS; SCANT; SCRAN; SCUMS; SCUSE; SMITS; SNITS; STIME; STIMS; TIMES; UNITS; VINAS; VINCA; VINTS.

6-letter words (3 points): 19

ANIMES; ANIMUS; ARCSIN; CRANTS; CUMINS; INCUSE; JAUNSE; JAUNTS; MISCUE; MUSCAE; MUSITS; SCANTS; SCRANS; SEMINA; STIMES; TINAJA; UNCAST; VINCAS; VISCUM.

7-letter words (7 points): 6

ARCSINS; ASCAUNT; MISCAST; SANTIMS; SANTIMU; SEMINAR.