Solutions :

Boggle I O S T T S F P G R V E L I B E

3-letter words (1 point): 24

BEE; BIG; EFS; EFT; EVE; FEE; GIB; IOS; ISO; ITS; LIB; LIG; OFT; PEE; PST; RIB; RIG; SIT; SOS; SOT; SRI; TIS; VEE; VIG.

4-letter words (1 point): 33

BEEF; BEEP; BIGS; BIRL; BRIG; EFTS; EVIL; FEEB; FOSS; FRIB; FRIG; GIBE; GIRL; GIRT; GIVE; GLIB; ISOS; LIGS; LIVE; PSST; RIGS; RIVE; SOFT; SOTS; TOFT; TOSS; TOST; TRIG; VEEP; VIBE; VIGS; VIRL; VRIL.

5-letter words (2 points): 12

BEEFS; BEEPS; BRIGS; FOIST; FRIGS; GIRTS; SOFTS; STRIG; TOFTS; TRIBE; TRIGS; VEEPS.

6-letter words (3 points): 2

STRIVE; TSOTSI.