sup sur sus suu suy sy- syc syg syh syi syn syp syr sys syu ucc ucg uch uci ucn uco ucp ucr ucs ucu ugc ugg ugh ugi ugn ugo ugp ugr ugs ugu uhc uhh uhi uho uhp uhr uhs uhu uhy uic uig uii uin uio uip uir uis uiu un- unc ung unh uni unn uno unp unr uns unu uny uoc uog uon uoo uop uor uos up- upc upg uph upi upn upo upp upr ups upu ur- urc urg uri urn uro urp urr urs uru ury usc usg ush usi usn uso usp usr uss usu uuc uug uun uur uus uuu uyc uyi uyo uys uyu ycc ych yci yco ycp ycs ycu ycy ygc ygo yhc yhi yhs yhu yig yih yii yin yio yip yir yis yng ynn ynp yns ynu yny yoc yog yoi yon yoo yop yor yos you yoy ypg ypo yps ypu yrc yrg yrn yro yrp yrs yru ysc ysg ysi yso ysp ysr yss ysu ysy yug yuh yui yun yuo yup yur yus yuu yuy yyc yyg yys yyu yyy