rio rir rit riy rna rnb rnc rng rni rnn rno rnr rnt rny roa rob roc roe rog roi ron roo ror rot roy rra rrb rrc rrg rri rrn rrr rrt rta rtb rtc rte rtg rti rtn rto rtr rtt rty ry- rya ryc rye ryg ryn ryo ryr ryy taa tab tac tae tag tai tan tao tar tat tay tba tbb tbc tbe tbg tbi tbn tbo tbr tbt tca tcb tcc tce tcg tci tcn tco tcr tct te- tea teb tec tee teg tei ten teo ter tet tey tga tgb tgc tge tgg tgi tgn tgo tgr tgt tgy tia tib tic tie tig tii tin tio tir tit tiy tna tnb tnc tne tng tni tnn tno tnr tnt to- toa tob toc toe tog toi ton too tor tot toy tra trb trc tre trg tri trn tro trr trt try tta ttb ttc tte ttg tti ttn tto ttr ttt tty tya tyc tye tyg tyn tyo tyr tyt yaa yab yac yae yag yai yan yao yar yat yay ybc ybe ybg ybi ybr yby yca ycc yce yci yco ycy yea yeb yec yee yeg yei yen yeo yer yet yey yga ygc ygo yie yig yii yin yio yir yit yna yne yng ynn yny yob yoc yoe yog yoi yon yoo yor yot yoy yra yrc yre yrg yrn yro yrt yta ytc yte ytn yto ytr ytt yyb yyc yye yyg yyt yyy