Solutions :

3-letter words (1 point): 39

COL; COR; ELK; ELL; ELS; ELT; EVO; ILK; ILL; IRE; KOI; KOR; LES; LEV; LEZ; LOR; LOS; OES; OIL; OLE; ORC; ORE; OSE; REO; RES; REV; REZ; RIZ; ROC; ROK; SEL; SER; SEZ; SOL; SOV; TSK; VOE; VOL; ZEL.

4-letter words (1 point): 59

CILL; CIRE; CIRL; COIL; COIR; COLE; COLL; COLS; CORE; CROC; ELKS; ELLS; ELTS; ERIC; EVOS; ILKS; ILLS; IRES; KORE; LEVO; LIRE; LOCK; LOIR; LOLL; LORE; LOSE; LOVE; OILS; OLEO; OLES; ORES; ORLE; OVEL; OVER; REOS; REVS; RILE; RILL; ROCK; ROIL; ROKS; ROLE; ROLL; SELL; SELS; SKOL; SLOE; SOLE; SOLS; SOVS; VELL; VOES; VOLE; VOLK; VOLS; VOLT; ZELS; ZERO; ZILL.

5-letter words (2 points): 45

CILLS; CIRES; CIRLS; COILS; COLES; COLIC; COLLS; CORES; CROCK; ILLER; KORES; LOCKS; LOLLS; LOREL; LORES; LORIC; LOSEL; LOSER; LOVER; LOVES; OILER; OLEOS; OLLER; ORLES; OVELS; RELIC; RILES; RILLE; RILLS; ROCKS; ROILS; ROLES; ROLLS; SELLS; SERIC; SLOES; SLOVE; SOLER; SOLVE; VELLS; VEZIR; VOLES; VOLKS; VOLTS; ZILLS.

6-letter words (3 points): 12

CLERIC; COILER; CRESOL; CROCKS; LOLLER; LORELS; LOSELS; RELOCK; REVOLT; RILLES; SOLLER; SOLVER.

7-letter words (7 points): 4

CRESOLS; CRIOLLO; RELOCKS; REVOLTS.

8-letter words (11 points): 3

CRIOLLOS; LOVELOCK; OVERLOCK.

9-letter words (11 points): 2

LOVELOCKS; OVERLOCKS.