Solutions :

3-letter words (1 point): 50

AIM; AIN; AIT; ATE; AVO; BIN; BIT; BOA; BOI; BON; BOT; EAT; EMO; ETA; ION; ITA; JIN; JOB; JOT; LIB; LIN; LIT; MET; MOA; MOB; MOI; MON; MOT; NIB; NIE; NIL; NIM; NIT; NOB; NOM; NOT; OAT; OBI; OVA; TAE; TAI; TAO; TEA; TET; TIE; TIL; TIN; TIT; TOM; TON.

4-letter words (1 point): 48

ATOM; BINT; BITE; BITO; BLIN; BOTA; EMIT; INIA; INTI; INTO; IOTA; ITEM; JIAO; JOIN; JOTA; LINO; LINT; LITE; MEAT; MEIN; META; MINI; MINO; MINT; MITE; MOIT; MOTE; MOTI; NITE; NOME; NOTA; NOTE; NOVA; OBIT; OINT; OMIT; ONIE; ONTO; TAIN; TAIT; TEAT; TIME; TINT; TITE; TITI; TOIT; TOME; VOTE.

5-letter words (2 points): 17

BINIT; BLINI; BLITE; BOITE; BONIE; INTIL; JOINT; LITAI; MEINT; MONIE; MONTE; MOTET; OBIIT; OJIME; TIMON; TOMIA; VOMIT.

6-letter words (3 points): 6

BONITA; BONITO; INTIME; LINTIE; TONITE; VOMITO.

7-letter words (7 points): 3

BONIATO; MINIATE; NIOBITE.