Solutions :

3-letter words (1 point): 62

ARB; ARD; ARE; ATE; ATT; BEE; BRA; BRO; DOE; DOP; DOR; EAR; EAT; ERA; ERE; ETA; EVO; LEP; LET; LEU; LEV; LUV; OAR; OAT; OPE; ORA; ORB; ORD; ORE; OUP; PER; PET; POA; POD; POT; PRE; PRO; PUL; RAT; REB; REE; REO; REP; RET; REV; ROD; ROE; ROT; TAE; TAO; TAR; TAT; TEL; TOE; TOP; TOR; TOT; ULE; UPO; VET; VOE; VOR.

4-letter words (1 point): 66

AERO; ARET; ATOP; BEAR; BEAT; BEER; BERE; BRAE; BRAT; BREE; DOER; DOPE; DORP; DOUP; DRAT; DREE; DROP; EARD; EREV; ETAT; EVOE; LERE; LERP; LEVO; ORDO; OVEL; OVER; PERE; POET; PORE; POTE; POTT; PRAO; PRAT; PREE; PROA; PROD; PUER; PULE; RATE; RATO; REPO; ROPE; ROTA; ROTE; ROUE; ROUL; ROUP; ROVE; TARE; TARO; TARP; TATE; TOEA; TOPE; TOPO; TORA; TORE; TOTE; UPDO; VERA; VERB; VERD; VETO; VOAR; VOTE.

5-letter words (2 points): 40

ARDOR; ARETT; BEARD; BEARE; BERET; DOPER; DROVE; EATER; LEPRA; OATER; OPERA; ORATE; OTTAR; OTTER; OVULE; PEREA; PETAR; PETTO; PORAE; POTAE; POULE; PRATE; PRATT; PROUL; PROVE; PULER; RATEL; REATE; REPOT; REPRO; ROATE; ROPER; ROTTE; ROULE; TARDO; TAROT; TATER; TOPER; TOTER; VOTER.

6-letter words (3 points): 14

BEATER; BERATE; DORPER; OVERDO; PETARD; POTTER; PULVER; ROTATE; ROUPET; TORPOR; UPBEAR; UPBEAT; UPRATE; VETOER.

7-letter words (7 points): 5

BERETTA; EARDROP; LEOTARD; OVEREAT; PROULER.

8-letter word (11 points): 1

OVERBEAT.