Solutions :

3-letter words (1 point): 31

AIS; AKE; ASS; EAS; EEK; EHS; EIK; EKE; ESS; GIE; GIS; HES; HEX; KAE; KAI; KAS; KEA; KEX; KIS; SAE; SAI; SEA; SEE; SEG; SEI; SEX; SHE; SIK; SIS; SKA; SKI.

4-letter words (1 point): 35

AKEE; AKES; EASE; EGIS; EIKS; EKES; ESES; ESSE; EXES; GIES; KAES; KAIE; KAIS; KEAS; KESH; KISS; SAIS; SAKE; SAKI; SEAS; SEEK; SEES; SEIK; SEIS; SESE; SESH; SESS; SHEA; SHES; SIES; SIKA; SIKE; SKAS; SKEE; SKIS.

5-letter words (2 points): 24

AEGIS; AKEES; ASSES; EASES; ESSES; GESSE; HEXES; ISSEI; KAIES; KEXES; SAKES; SAKIS; SEASE; SEEKS; SEISE; SESSA; SEXES; SHEAS; SHEIK; SIKAS; SIKES; SISES; SKEES; SKIES.

6-letter words (3 points): 9

EASIES; ESKIES; GESSES; KESHES; KISSES; SAIKEI; SAKIEH; SEASES; SHEIKS.

7-letter word (7 points): 1

SAKIEHS.