snn sno snr sns snu sny sob soc soe soi soj son soo soq sor sos sou soy sqi sqn sqq sqr sqs sr- srb src sre sri srj srn sro srq srr srs sry ss- ssb ssc sse ssi ssj ssn sso ssq ssr sss ssu sub suc sue sui sun suo suq sur sus suu suy sy- syb syc sye syi syn syr sys syu ubb ubc ube ubi ubn ubo ubr ubs ubu uby ucb ucc uce uci ucj ucn uco ucr ucs ucu ueb uec uee uei uen uer ues uey uib uic uie uii uin uio uiq uir uis uiu ujc uji ujo ujs un- unb unc une uni unn uno unq unr uns unu uny uob uoc uoe uoj uon uoo uor uos ur- urb urc ure uri urn uro urr urs uru ury usb usc use usi usj usn uso usr uss usu uuc uue uun uur uus uuu uyc uyi uyo uys uyu ybc ybe ybi ybr ybs yby ycc yce yci yco ycs ycu ycy yeb yec yee yei yen yeo yer yes yey yie yii yin yio yiq yir yis yne ynn yns ynu yny yob yoc yoe yoi yoj yon yoo yor yos you yoy yqb yqr yrc yre yrn yro yrs yru ysb ysc yse ysi ysj yso ysr yss ysu ysy yue yui yuj yun yuo yur yus yuu yuy yyb yyc yye yys yyu yyy