Solutions :

3-letter words (1 point): 55

ALE; ALT; DEF; DEL; DEN; DEY; DYE; EDH; ELT; END; FED; FEH; FEN; FEY; HEN; HEP; HEY; HIN; HIT; ITA; JAR; JOR; LAR; LAT; LED; LEP; LEY; LIN; LIT; LOT; NED; NEF; NEP; NIL; NIT; OAR; OAT; OLE; OPE; ORA; PED; PEH; PEN; PRO; RAJ; RAT; TAJ; TAO; TAR; TIL; TIN; VIN; YEH; YEN; YEP.

4-letter words (1 point): 61

ALEF; ALIT; ALTO; ARLE; DEFY; DELI; DELO; DELT; DENI; DENT; FELT; FEND; FENI; FENT; HELO; HEND; HENT; HILA; HILT; HIND; HINT; INTO; JARL; JARP; JATO; LATI; LEND; LENT; LIND; LINE; LINT; LOTA; LOTI; OPED; OPEN; ORAL; ORLE; PELA; PELT; PEND; PENI; PENT; PRAO; PRAT; RALE; RATO; ROPE; TALE; TALI; TARO; TARP; TILE; TIND; TINE; TOLA; TOLE; VILE; VINE; VINT; VITA; YELT.

5-letter words (2 points): 28

ALINE; ARLED; ARPEN; DELTA; ELINT; ENLIT; FENDY; HEJRA; HELOT; HILAR; LENTI; LENTO; LEPRA; LINDY; LINED; LINEY; OLENT; PELTA; PORAL; ROPED; ROPEY; TILED; TINED; TOLAR; TOLED; VINED; VITAL; YENTA.

6-letter words (3 points): 8

ALINED; ARPENT; DENTAL; DENTIL; JARPED; PELOTA; RATINE; RATLIN.

7-letter words (7 points): 3

FENITAR; PRALINE; RATLINE.