roy rrc rrd rrg rrl rrm rrn rrr rru ruc rud rue rug rum run ruo rur ruu ruy ry- ryc ryd rye ryg rym ryn ryo ryr ryu ryy ucc ucd uce ucg ucl ucm ucn uco ucr ucu udc udd ude udg udl udm udn udo udr udu uec ued uee ueg uel uem uen uer uey ugc uge ugg ugl ugm ugn ugo ugr ugu ulc uld ule ulg ull ulm uln ulo ulr ulu uly um- umc umd ume umg uml umm umn umo umr umu un- unc und une ung unl unm unn uno unr unu uny uoc uod uoe uog uol uom uon uoo uor ur- urc urd ure urg url urm urn uro urr uru ury uuc uue uug uum uun uur uuu uyc uyo uyu ycc ycd yce ycl yco ycu ycy yde ydg ydl ydn ydo ydy yec yed yee yeg yel yem yen yeo yer yey ygc ygl ygm ygo ylc yld yle ylg yll ylm ylr yly ymc yme ymg yml ymm ymo ynd yne yng ynn ynu yny yoc yod yoe yog yol yom yon yoo yor you yoy yrc yre yrg yrn yro yru yud yue yug yul yum yun yuo yur yuu yuy yyc yye yyg yyu yyy