slye slyp slys soel soeo soep soes soie soik soil sois soke soki sokk soko sole soli solk soll solo solp sols soly sook sool soop soos sooy sope sopi sopo sopp sops sopy sose sosi soso soss soye soyo soys spee spek spel spes spey spie spik spio spip spis spke spkl sple splo splp spls spok spoo spop spos spoy spps spse spso spsp spss spy- spys ssee ssep sses ssis ssle sslp ssop sspe sspl sspo ssps sssi ssss syes syik syis syke syl- syle syli sylk syll syls sype sypo syse syso syss syyk yeek yeel yeep yees yeie yeii yeke yeki yele yeli yelk yell yelo yelp yeos yepe yepp yeps yesi yesk yeso yess yeye yeyi yeyo yike yile yili yill yipe yips yise yisk yiss ykep ykes ykey ykko ylke ylle ylli ylls ylyk yoik yoke yoki yoko yoks yoky yole yoli yolk yoll yolo yolp yoly yook yool yoop yopo yopy yosi yoso yoye yoyo ypsi ysee ysel yses ysii ysle ysop yspi ysse yyyy