eeee eefe eefl eele eely efeo effy efly elee elef eleo eley elfe elle ello elly eloy eole eolo eyey eyle feel fefe feff fefo fele felf fell felo feof ffee ffff flee fley floe floo floy flye fofo fole foll folo foly foof fool foyl fyeo fyfe fyle leef leel lefe leff lele lell lelo lely leof leye leyf llef llll lloo lofe loff lole loll lolo loly looe loof lool loye lyef lyfe lyff lyfy lyle lyly lyo- lyoe lyyf o-eo oele oeye oeyo off- offe offo offy ole- olef oleo oley olfe olle ollo olly olof olyf ooff oofy oolo oooo oyee oyly yeel yefe yeff yele yelf yell yelo yeof yeye yeyo yfel ylle yoff yole yoll yolo yoly yoof yool yoye yoyo yyfe yyff yyyy