rli rll rln rlo rlr rlu rly rna rnb rnc rnd rni rnn rno rnr rnu rny roa rob roc rod roi rol ron roo ror rou roy rra rrb rrc rrd rri rrl rrn rrr rru rua rub ruc rud rui run ruo rur ruu ruy ry- rya ryc ryd ryn ryo ryr ryu ryy ua- uaa uab uac uad uai ual uan uao uar uau uay uba ubb ubc ubi ubl ubn ubo ubr ubu uby uca ucb ucc ucd uci ucl ucn uco ucr ucu uda udb udc udd udi udl udn udo udr udu uia uib uic uid uii uil uin uio uir uiu ula ulb ulc uld uli ull uln ulo ulr ulu uly un- una unb unc und uni unl unn uno unr unu uny uoa uob uoc uod uol uon uoo uor ur- ura urb urc urd uri url urn uro urr uru ury uua uuc uun uur uuu uyc uyi uyo uyu yaa yab yac yad yai yal yan yao yar yau yay ybc ybi ybl ybr yby yca ycc ycd yci ycl yco ycu ycy yda ydl ydn ydo ydy yid yii yin yio yir ylc yld yli yll ylr yly yna ynd ynn ynu yny yob yoc yod yoi yol yon yoo yor you yoy yra yrc yrn yro yru yua yud yui yul yun yuo yur yuu yuy yyb yyc yyu yyy