rer reu rey rla rlc rld rle rll rln rlo rlr rlu rly rna rnb rnc rnd rnn rno rnr rnu rny roa rob roc rod roe rol ron roo ror rou roy rra rrb rrc rrd rrl rrn rrr rru rua rub ruc rud rue run ruo rur ruu ruy ry- rya ryc ryd rye ryn ryo ryr ryu ryy ua- uaa uab uac uad uae ual uan uao uar uau uay uba ubb ubc ube ubl ubn ubo ubr ubu uby uca ucb ucc ucd uce ucl ucn uco ucr ucu uda udb udc udd ude udl udn udo udr udu uea ueb uec ued uee uel uen uer uey ula ulb ulc uld ule ull uln ulo ulr ulu uly un- una unb unc und une unl unn uno unr unu uny uoa uob uoc uod uoe uol uon uoo uor ur- ura urb urc urd ure url urn uro urr uru ury uua uuc uue uun uur uuu uyc uyo uyu yaa yab yac yad yae yal yan yao yar yau yay ybc ybe ybl ybr yby yca ycc ycd yce ycl yco ycu ycy yda yde ydl ydn ydo ydy yea yeb yec yed yee yel yen yeo yer yey ylc yld yle yll ylr yly yna ynd yne ynn ynu yny yob yoc yod yoe yol yon yoo yor you yoy yra yrc yre yrn yro yru yua yud yue yul yun yuo yur yuu yuy yyb yyc yye yyu yyy