Solutions :

3-letter words (1 point): 51

AAH; ACE; AHI; AIA; AIN; AIR; ANE; ANI; ARC; ART; AWE; CAA; CAG; CAN; CAR; CAT; CAW; CRU; EAR; EAT; EWT; GAE; GAR; GAT; HAT; HIC; HIN; ICE; JEW; NEW; RAG; RAH; RAI; RAN; RAT; RAW; RIA; RIN; TAE; TAG; TAI; TAR; TAU; TAW; TWA; WAE; WAG; WAI; WAR; WAT; WEN.

4-letter words (1 point): 49

ACAI; ACNE; AINE; AIRT; ANCE; ANEW; ARIA; AURA; CAIN; CANE; CARR; CART; CINE; CRAG; CRAW; ECRU; GAEN; GAIN; GAIR; GARI; GART; HAAR; HART; HURT; JEAT; NEAR; NEAT; NEWT; NICE; RACA; RACE; RAIA; RAIN; RANI; RATA; RICE; RINE; TACE; TAHR; TAIN; TARA; TRIN; TWAE; URIC; WAIN; WAIR; WART; WEAR; WENA.

5-letter words (2 points): 29

ACARI; AECIA; ANEAR; ARHAT; ARRAH; ATRIA; AURAE; AURIC; CARAT; CARTA; CRINE; ENIAC; HURRA; NAIRA; NAIRU; NARIC; RAINE; RANCE; RHINE; RIATA; TACAN; TAIRA; TRACE; TRAIN; TRIAC; TRICE; TRINE; TWAIN; URINE.

6-letter words (3 points): 13

ACINAR; ARCANE; ATWAIN; CARINA; CARRAT; GARRAN; HARIRA; TAENIA; TAHINA; TAURIC; TRICAR; WAIRUA; WARRAN.

7-letter words (7 points): 5

ACARINE; CATARRH; NACARAT; TACRINE; TAURINE.

9-letter words (11 points): 3

CATARHINE; HURRICANE; TARRIANCE.

10-letter word (11 points): 1

CATARRHINE.