rog ron roo rop ror rou roy rpa rpb rpd rpe rpg rpn rpo rpp rpr rpu rra rrb rrd rrg rrn rrp rrr rru rua rub rud rue rug run ruo rup rur ruu ruy ry- rya ryd rye ryg ryn ryo ryr ryu ryy ua- uaa uab uad uae uag uan uao uap uar uau uay uba ubb ube ubg ubn ubo ubp ubr ubu uby uda udb udd ude udg udn udo udp udr udu uea ueb ued uee ueg uen uep uer uey uga ugb uge ugg ugn ugo ugp ugr ugu un- una unb und une ung unn uno unp unr unu uny uoa uob uod uoe uog uon uoo uop uor up- upa upb upd upe upg upn upo upp upr upu ur- ura urb urd ure urg urn uro urp urr uru ury uua uue uug uun uur uuu uyo uyu yaa yab yad yae yag yan yao yap yar yau yay ybe ybg ybp ybr yby yda yde ydg ydn ydo ydy yea yeb yed yee yeg yen yeo yep yer yey yga ygo yna ynd yne yng ynn ynp ynu yny yob yod yoe yog yon yoo yop yor you yoy ypa ypd ypg ypo ypu yra yre yrg yrn yro yrp yru yua yud yue yug yun yuo yup yur yuu yuy yyb yye yyg yyu yyy