se-i se-s se-u se-y sec- secc sece secr secs secu secy seec seef seel seer sees seeu seey seff sefi sefl seie seif seii seil seir seis seiu sele self seli sell sels selu sely serc sere serf seri serr sers seru sery sesc sese sesi sess seui seul seur seye seyf seyl seys sfcc sfcs sfer sffc sflc sfls sfrc sfss sfsu sicc sice sici sics sicu siec sief siel sier sies sife siff sifl sifr sifu sify sil- silc sile silf sili sill sils silu sirc sire sirf siri sirr sirs siru sisc sise sisi siss sisu sisy siue siui sius siyi siyu sl-i slcc slcu slee sler sles sley slic slie slir slrc slre slrs slsc slsu sluc slue slur slye slys srcc srec sres srfc srfi sris sscc ssce ssci sscs ssec ssee sses ssfc ssfl ssis sslc ssle ssrc ssri ssrl ssrs sssc sssf sssi ssss suc- succ suci sucr sucs suee suel suer sues sueu suey suf- sufc suff sufi sufr sufs sufu suie suir suis sul- sulc sule sulf suli sull sulu sur- surc sure surf suri surr surs suru sury sus- suse susi suss susu susy suus suyi suyr suyu syce sycr syer syes syfe syff syfy syis syl- syle syli syll syls syre syrs syry syse syss syue u-ie ucci ucel uces ucil ucrc ucsc ucsf ucsu ueir uele ueli uell uers uess ueys ufcu ufel ufer uffe uies uile uirr uise ulcc ulee ules uley ulfe ulic ulie ulle ulli ullr ully ulul ulus ulye ulys urci urcy ure- ures urey urfe urff urfi uric urie urif uris uriu urle urls urre urri urry urse ursi urss ursu ursy urur urus uscc usce uscf uscs usee usef usel user uses usfc usfi usfl usfs usie usif usis usle uslu ussc usse ussf ussr usss ussu ussy usui usul usus uulu uuri uusi uuuu uyir uyle uyre yccc ycee ycie ye-u yeel yeer yees yefe yeff yeie yeii yeir yele yelf yeli yell yelu yere yeri yerl yerr yers yery yesi yess yesu yeue yeye yeyi yeyr yfel yiff yile yili yill yire yirr yise yiss ylle ylli ylls yrle yrly ysee ysel yser yses ysii ysle ysse yssu ysue yuce yuel yuer yuff yufu yuie yule yuli yuls yulu yure yuri yury yuye yuyu yyfe yyff yyyy