rpi rpl rpn rpo rpp rpr rpu rra rrf rri rrl rrn rrp rrr rru rua rue ruf rui run ruo rup rur ruu ruy ry- rya rye ryf ryn ryo ryr ryu ryy ua- uaa uae uaf uai ual uan uao uap uar uau uay uea uee uef uei uel uen uep uer uey ufa ufe uff ufi ufl ufn ufo ufp ufr ufu uia uie uif uii uil uin uio uip uir uiu ula ule ulf uli ull uln ulo ulp ulr ulu uly un- una une unf uni unl unn uno unp unr unu uny uoa uoe uol uon uoo uop uor up- upa upe upf upi upn upo upp upr upu ur- ura ure urf uri url urn uro urp urr uru ury uua uue uun uur uuu uyi uyo uyu yaa yae yaf yai yal yan yao yap yar yau yay yea yee yef yei yel yen yeo yep yer yey yfa yfe yff yfr yfu yie yif yii yin yio yip yir yle yli yll ylr yly yna yne ynn ynp ynu yny yoe yof yoi yol yon yoo yop yor you yoy ypa ypf ypl ypo ypu yra yre yrf yrn yro yrp yru yua yue yui yul yun yuo yup yur yuu yuy yye yyf yyu yyy