Solutions :

3-letter words (1 point): 77

AFT; AGE; AIT; APE; APT; ARE; ARF; ART; ATE; ATT; EAR; EAT; EFT; ERA; ERG; ERR; ETA; FAE; FAG; FAP; FAR; FAT; FEG; FER; FET; FEY; FRA; FRO; GAE; GAP; GAR; GAT; GET; GEY; GYP; ITA; JET; OAF; OAR; OAT; ORA; ORE; ORF; ORT; PAR; PAT; PEA; PEG; PER; PET; PIA; PIT; PYE; RAG; RAP; RAT; REF; REG; REP; RET; TAE; TAG; TAI; TAO; TAP; TAR; TAT; TEA; TEF; TEG; TET; TIP; TYE; TYG; YEA; YEP; YET.

4-letter words (1 point): 76

AERO; AFAR; AFRO; AGER; APER; AREG; ARET; ETAT; FARE; FARO; FART; FATE; FEAR; FEAT; FETA; FETT; FRAE; FRAG; FRAP; FRAT; GAPE; GAPY; GARE; GART; GATE; GEAR; GEAT; GETA; GRAT; GREY; GYTE; JEAT; JEFE; ORFE; ORGY; ORRA; PAGE; PARE; PARR; PART; PATE; PATY; PEAG; PEAR; PEAT; PITA; PITY; PYET; RAFT; RAGE; RAPE; RAPT; RARE; RATE; REAP; REAR; REFT; ROAR; RORE; RORT; TAIT; TAPA; TAPE; TARE; TARO; TATE; TATT; TEAR; TEAT; TEPA; TIPT; TRAP; TYER; TYPE; YEAR; YETI.

5-letter words (2 points): 44

AFEAR; APAGE; APART; APTER; AREPA; ARRET; ATTAP; ATTAR; ETAGE; ETAPE; FETTA; FRAPE; FRATE; FRORE; GAPER; GARRE; GRAFT; GRAPE; GRAPY; GRATE; GREAT; GROAT; ORATE; PAGER; PARGE; PATER; PATTE; PEART; RAGER; RAPER; REATE; REGAR; RETIA; ROATE; TAPER; TAPET; TARGE; TARRE; TATER; TERGA; TERRA; TETRA; TRAPE; TRAPT.

6-letter words (3 points): 11

ATTRAP; ERGATE; GARRET; GRAPEY; ORGEAT; PARGET; PARORE; PATERA; TAPETA; TAPETI; TARGET.

7-letter words (7 points): 4

FERRATE; ITERATE; PARFAIT; REGATTA.

8-letter word (11 points): 1

PERORATE.