sops sopu sopy sose sosi soso soss soue souf soul soup sous soye soyo soys spee spef spel spes spey spfs spie spio spip spis sple splo splp spls spoo spop spos spoy sppf spps spse spso spsp spss spue spui spus spy- spys ssee ssep sses ssfl ssfp ssis ssle sslp ssop sspe sspf sspl sspo ssps sssf sssi ssss suee suel sues sueu suey suf- suff sufi sufs sufu suie suio suis sul- sule sulf suli sull sulo sulp sulu suos sup- supe supo supp sups supy sus- suse susi suso susp suss susu susy suus suyi suyo suyu syes syfe syff syfy syis syl- syle syli syll syls sype sypo syse syso syss syue u-ie uele ueli uell uepi uess ueys ufel uffe ufip ufos uies uile uipi uise ulee uleo ules uley ulfe ulie ulle ulli ullo ully ulo- ulos ulul ulus ulye ulys uofl uofo upie upis uplo upos uppe uppp uppu uppy upse upsi upsy upup usee usef usel uses usfi usfl usfs usie usif usip usis usle uslp uslu usoe usoi usos uspo uspp usps usse ussf usss ussu ussy usui usul usus uulu uusi uuuu uyle ye-u yeel yeep yees yefe yeff yeie yeii yele yelf yeli yell yelo yelp yelu yeof yeos yepe yepp yeps yesi yeso yess yesu yeue yeye yeyi yeyo yfel yiff yile yili yill yipe yips yise yiss ylle ylli ylls yoff yole yoli yoll yolo yolp yoly yoof yool yoop yopo yopy yosi yoso youe youf youi youl youp yous yoye yoyo ypfl ypsi ysee ysel yses ysii ysle ysop yspi ysse yssu ysue yuel yuff yufu yuie yule yuli yulo yuls yulu yupi yups yuye yuyu yyfe yyff yyyy