Solutions :

3-letter words (1 point): 29

ACE; AIL; AIN; AIR; ANE; ANI; CEE; EAN; EEN; ENE; FIL; HIC; HOT; ICE; LIE; LOR; LOT; NAE; NEE; NIE; ORT; RIA; RIN; RIZ; ROT; TOR; ZHO; ZIN; ZOL.

4-letter words (1 point): 30

ACNE; AINE; AIRN; AIRT; ANCE; CEIL; CLOT; EINA; EINE; FICE; FILO; FLIC; FLOR; HILI; HORI; HORN; ILIA; INRO; LICE; LIEN; LORN; RINE; ROLF; TORI; TORN; TRIE; TRIN; ZINC; ZINE; ZORI.

5-letter words (2 points): 9

AECIA; AINEE; CEILI; CILIA; ENROL; ILIAC; NIECE; TOZIE; TRINE.

6-letter words (3 points): 2

FLORIN; TRIENE.

7-letter word (7 points): 1

ANCILIA.