Solutions :

3-letter words (1 point): 59

ACT; AFT; AIN; AIR; AIT; ANE; ANI; ARB; ARC; ARE; ARF; ART; AUE; BAR; BAT; BRA; CAG; CAN; CAT; CIT; CUE; ERA; ERF; ERN; FAR; FIE; FIN; FIR; FIT; FRA; GAN; GAT; GAU; IRE; ITA; NAG; NAT; NEW; NIE; NIT; RAI; RAT; REI; REN; REW; RIA; RIF; RIN; RIT; TAB; TAG; TAN; TAR; TAU; TIC; TIE; TIN; UNI; WEN.

4-letter words (1 point): 59

ABRI; ACNE; AINE; AIRN; AIRT; ANEW; AREW; ARIA; ARNA; ARTI; AUNE; BARF; BARN; BRAT; BRIE; BRIN; BRIT; CANE; CINE; CIRE; CRAB; CRIT; EINA; ERIC; FAIN; FAIR; FARE; FIAR; FIER; FINE; FIRE; FIRN; FRAB; FRAT; FRIT; GANE; GAUN; NEIF; RAFT; RAIN; RAIT; REIF; REIN; RIFT; RINE; TANE; TARN; TART; TIAR; TIER; TINE; TIRE; TRAT; TRIE; TRIN; UNCI; UNIT; WEIR; WENA.

5-letter words (2 points): 34

ABRIN; AFIRE; AFRIT; AREIC; ARENA; ARTIC; ATRIA; BARCA; BARIC; BRIAR; BRIER; BRINE; CANER; CRIER; CRINE; CUNEI; ENACT; ERICA; FAINE; FINCA; FINER; FRATI; FREIT; FRENA; FRIAR; FRIER; IFTAR; RAINE; RAITA; TACIT; TINCT; TRIER; TRINE; UNCIA.

6-letter words (3 points): 11

ARCANE; ARCTAN; ARNICA; ARTIER; BRINER; CANIER; FAINER; FARINA; GAUCIE; RATINE; TARTAN.

7-letter words (7 points): 4

BARNIER; GAUCIER; TACRINE; TARTANE.

8-letter word (11 points): 1

CATBRIER.