Solutions :

3-letter words (1 point): 34

DEE; DEI; DEL; DEN; DEW; DIG; DIN; EEL; EEN; ELD; ELF; ELM; END; ENG; GID; GIN; IDE; INN; LED; LEE; LEI; LEW; MEE; MEL; MEN; NED; NEE; NEW; NID; NIE; WED; WEE; WEN; WIN.

4-letter words (1 point): 35

DEEM; DEEN; DELE; DELF; DENI; DINE; DING; FLED; FLEE; FLEW; GINN; IDEE; IDLE; LEED; LEND; LENG; LWEI; MEED; MELD; MEND; NEED; NEEM; NIDE; NIED; NINE; WEEL; WEEM; WEEN; WELD; WEND; WIEL; WIND; WINE; WING; WINN.

5-letter words (2 points): 8

ELDIN; ELMEN; ENDEW; INDEW; INNED; NEELD; WIELD; WINED.

6-letter words (3 points): 12

DEWING; DINING; DINNLE; ELDING; ENDING; GINNED; GINNEL; LEEING; WINDLE; WINING; WINNED; WINNLE.

7-letter words (7 points): 6

FLEEING; LENDING; MELDING; MENDING; NEEDING; WELDING.

8-letter words (11 points): 2

ENDEWING; WIELDING.