Solutions :

3-letter words (1 point): 51

ALS; ALT; ANI; BEZ; BIN; BIO; BIT; BIZ; BOI; BON; INS; ION; ITS; JOB; LAS; LUZ; MNA; MOB; MOI; MON; MOU; NAS; NIB; NIE; NIT; NOB; NOM; NUS; NUT; OBE; OBI; ONS; OUS; OUT; SAL; SAN; SAU; SUI; SUN; TIE; TIN; TUI; TUN; UNI; UNS; UTS; VIE; VIN; VUM; ZIN; ZIT.

4-letter words (1 point): 62

ALTS; ANUS; BEIN; BINS; BITS; BIZE; BONA; BOUN; BOUT; EBON; EINA; IONS; JOBE; JOIN; LUIT; LUNA; LUST; LUTZ; MNAS; MOBE; MOIT; MONA; MONS; MOUS; MUON; NITS; NOUL; NOUS; NOUT; NUTS; OBIT; ONIE; ONUS; OUST; OUTS; OVUM; SALS; SALT; SAUL; SAUT; SLUT; SNIB; SNIT; SNOB; STIE; STUN; SUIT; SUNS; TINS; TUAN; TUNA; TUNS; ULAN; ULNA; UNIT; VIBE; VINA; VINO; VINS; ZEIN; ZINS; ZITS.

5-letter words (2 points): 44

BINAL; BONIE; BONUS; BOULT; BOUNS; BOUTS; EBONS; INULA; INUST; JOINS; JOUAL; JOUST; LUNAS; MOBIE; MOITS; MONAL; MONAS; MONIE; MOULS; MOULT; MOUST; MOVIE; MUONS; NOULS; NOVUM; OBITS; SAJOU; SALTS; SAULS; SAULT; SAUTS; SLUIT; SNITS; SNOUT; STUNS; TUANS; TUINA; TUNAS; ULANS; ULNAS; UNITS; VINAL; VINAS; ZEINS.

6-letter words (3 points): 16

BOULTS; INULAS; JOUALS; MONALS; MONAUL; MOULTS; SAJOUS; SALTIE; SALTUS; SAULTS; SNOUTS; TUINAS; ULTION; USTION; VINALS; VINOUS.

7-letter words (7 points): 5

MONAULS; OBITUAL; SANIOUS; ULTIONS; USTIONS.