Solutions :

3-letter words (1 point): 27

CIT; EIK; EME; EMU; ERE; ERR; ICK; IRE; IRK; KIR; KIT; MEE; MET; MEU; REE; REI; REM; RET; REZ; RIT; RIZ; TEE; TET; TIC; TIE; ZEE; ZIT.

4-letter words (1 point): 31

CIRE; CITE; CRIT; EMEU; ERIC; ETIC; KIER; KITE; MEER; MEET; MERE; MERI; METE; MEZE; REIK; RETE; RICK; RIEM; RITE; RITT; RITZ; TEEM; TEER; TEME; TERM; TETE; TICK; TIER; TIRE; TIRR; ZITE.

5-letter words (2 points): 10

CIRRI; CRIER; EERIE; EMEER; ERICK; KIRRI; MERIT; METER; REMET; RETEM.

6-letter words (3 points): 5

KIERIE; REMEET; RITTER; TEEMER; TERRIT.

7-letter words (7 points): 2

CRITTER; ZETETIC.