srr srs sry ss- ssc ssd sse ssg ssi ssn sso ssr sss ssu suc sud sue sug sui sun suo sur sus suu suy sy- syc syd sye syg syi syn syr sys syu ucc ucd uce ucg uci ucn uco ucr ucs ucu udc udd ude udg udi udn udo udr uds udu uec ued uee ueg uei uen uer ues uey ugc uge ugg ugi ugn ugo ugr ugs ugu uic uid uie uig uii uin uio uir uis uiu un- unc und une ung uni unn uno unr uns unu uny uoc uod uoe uog uon uoo uor uos ur- urc urd ure urg uri urn uro urr urs uru ury usc usd use usg usi usn uso usr uss usu uuc uue uug uun uur uus uuu uyc uyi uyo uys uyu ycc ycd yce yci yco ycs ycu ycy yde ydg ydn ydo yds ydy yec yed yee yeg yei yen yeo yer yes yey ygc ygo yid yie yig yii yin yio yir yis ynd yne yng ynn yns ynu yny yoc yod yoe yog yoi yon yoo yor yos you yoy yrc yre yrg yrn yro yrs yru ysc yse ysg ysi yso ysr yss ysu ysy yud yue yug yui yun yuo yur yus yuu yuy yyc yye yyg yys yyu yyy