Solutions :

3-letter words (1 point): 54

AIM; AIR; AIT; AMI; ARC; ART; ATE; AUE; BAM; BAR; BAT; BET; BUT; CIT; EAR; EAT; EAU; EME; ETA; ITA; MAE; MAR; MAT; MEE; MET; MEU; MIC; MIR; MIX; RAI; RAM; RAT; RIA; RIM; RIT; TAB; TAE; TAI; TAM; TAR; TAT; TAU; TEA; TEE; TET; TEX; TIC; TIE; TIT; TIX; TUB; UTA; UTE; UTU.

4-letter words (1 point): 69

ABET; ABUT; AIRT; AITU; AMIE; AMIR; ARTI; BAIT; BATE; BEAM; BEAR; BEAT; BEAU; BETA; BUAT; BUTE; CITE; CRAB; CRAM; CRIM; CRIT; EMEU; EMIC; EMIR; EMIT; ETAT; ETIC; EXIT; ITEM; MABE; MAIR; MARC; MART; MATE; MAUT; MEET; META; METE; MITE; RAIT; RAMI; RATE; RATU; RIEM; RIMA; RIME; RITE; TABU; TAIT; TAME; TART; TATE; TATU; TAUT; TEAM; TEAR; TEAT; TEEM; TEME; TETE; TIAR; TIME; TITE; TRAM; TRAT; TRIE; TRIM; TUBA; TUBE.

5-letter words (2 points): 22

ARTIC; BARIC; BEAUT; CIMAR; CIMEX; CRAME; CRATE; CRIME; IRATE; METIC; MICRA; RAMEE; RAMET; RAMIE; RIMAE; TATIE; TAUBE; TRAIT; TRITE; TUART; TUBAE; TUBAR.

6-letter words (3 points): 11

BARITE; BETIME; BETRIM; EMETIC; EMEUTE; EXCITE; MATRIC; MATRIX; METATE; RATITE; TUBATE.

7-letter words (7 points): 5

CITRATE; EMIRATE; TABETIC; TEATIME; TRIMTAB.