snn snr sns snu sny sr- sra srb src srh sri srl srn srr srs sry ss- ssa ssb ssc ssh ssi ssl ssn ssr sss ssu sua sub suc suh sui sul sun sur sus suu suy sy- sya syb syc syh syi syl syn syr sys syu ua- uaa uab uac uah uai ual uan uar uas uau uay uba ubb ubc ubh ubi ubl ubn ubr ubs ubu uby uca ucb ucc uch uci ucl ucn ucr ucs ucu uha uhb uhc uhh uhi uhl uhr uhs uhu uhy uia uib uic uii uil uin uir uis uiu ula ulb ulc uli ull uln ulr uls ulu uly un- una unb unc unh uni unl unn unr uns unu uny ur- ura urb urc uri url urn urr urs uru ury usa usb usc ush usi usl usn usr uss usu uua uuc uun uur uus uuu uyc uyi uys uyu yaa yab yac yah yai yal yan yar yas yau yay ybc ybi ybl ybr ybs yby yca ycc ych yci ycl ycs ycu ycy yha yhc yhi yhs yhu yih yii yin yir yis ylc yli yll ylr yls yly yna ynn yns ynu yny yra yrc yrn yrs yru ysa ysb ysc ysi ysl ysr yss ysu ysy yua yuh yui yul yun yur yus yuu yuy yyb yyc yys yyu yyy