snn sno snr sns snu sny soa sob soc soe soi son soo sor sos sou soy sr- sra srb src sre sri srn sro srr srs sry ss- ssa ssb ssc sse ssi ssn sso ssr sss ssu sua sub suc sue sui sun suo sur sus suu suy sy- sya syb syc sye syi syn syr sys syu ua- uaa uab uac uae uai uan uao uar uas uau uay uba ubb ubc ube ubi ubn ubo ubr ubs ubu uby uca ucb ucc uce uci ucn uco ucr ucs ucu uea ueb uec uee uei uen uer ues uey uia uib uic uie uii uin uio uir uis uiu un- una unb unc une uni unn uno unr uns unu uny uoa uob uoc uoe uon uoo uor uos ur- ura urb urc ure uri urn uro urr urs uru ury usa usb usc use usi usn uso usr uss usu uua uuc uue uun uur uus uuu uyc uyi uyo uys uyu yaa yab yac yae yai yan yao yar yas yau yay ybc ybe ybi ybr ybs yby yca ycc yce yci yco ycs ycu ycy yea yeb yec yee yei yen yeo yer yes yey yie yii yin yio yir yis yna yne ynn yns ynu yny yob yoc yoe yoi yon yoo yor yos you yoy yra yrc yre yrn yro yrs yru ysa ysb ysc yse ysi yso ysr yss ysu ysy yua yue yui yun yuo yur yus yuu yuy yyb yyc yye yys yyu yyy