rmn rmo rmr rna rnb rnc rnm rnn rno rnr rnu rny roa rob roc roe rol rom ron roo ror rou roy rra rrb rrc rrl rrm rrn rrr rru rua rub ruc rue rum run ruo rur ruu ruy ry- rya ryc rye rym ryn ryo ryr ryu ryy ua- uaa uab uac uae ual uam uan uao uar uau uay uba ubb ubc ube ubl ubn ubo ubr ubu uby uca ucb ucc uce ucl ucm ucn uco ucr ucu uea ueb uec uee uel uem uen uer uey ula ulb ulc ule ull ulm uln ulo ulr ulu uly um- uma umb umc ume uml umm umn umo umr umu un- una unb unc une unl unm unn uno unr unu uny uoa uob uoc uoe uol uom uon uoo uor ur- ura urb urc ure url urm urn uro urr uru ury uua uuc uue uum uun uur uuu uyc uyo uyu yaa yab yac yae yal yam yan yao yar yau yay ybc ybe ybl ybm ybr yby yca ycc yce ycl yco ycu ycy yea yeb yec yee yel yem yen yeo yer yey ylc yle yll ylm ylr yly yma ymc yme yml ymm ymo yna yne ynn ynu yny yob yoc yoe yol yom yon yoo yor you yoy yra yrc yre yrn yro yru yua yue yul yum yun yuo yur yuu yuy yyb yyc yye yyu yyy