roi ron roo rop ror rot roy rpa rpc rpg rph rpi rpn rpo rpp rpr rpt rra rrc rrg rrh rri rrn rrp rrr rrt rta rtc rtg rti rtn rto rtp rtr rtt rty ry- rya ryc ryg ryn ryo ryr ryy taa tac tag tah tai tan tao tap tar tat tay tca tcc tcg tch tci tcn tco tcp tcr tct tga tgc tgg tgh tgi tgn tgo tgp tgr tgt tgy th- tha thc thg thh thi thn tho thp thr tht thy tia tic tig tih tii tin tio tip tir tit tiy tna tnc tng tnh tni tnn tno tnp tnr tnt to- toa toc tog toh toi ton too top tor tot toy tpa tpc tpg tph tpi tpn tpo tpp tpr tpt tra trc trg trh tri trn tro trp trr trt try tta ttc ttg tth tti ttn tto ttp ttr ttt tty tya tyc tyg tyn tyo typ tyr tyt yaa yac yag yah yai yan yao yap yar yat yay yca ycc ych yci yco ycp ycy yga ygc ygo yha yhc yhi yht yig yih yii yin yio yip yir yit yna yng ynn ynp yny yoc yog yoi yon yoo yop yor yot yoy ypa ypg ypo yra yrc yrg yrn yro yrp yrt yta ytc yth ytn yto ytp ytr ytt yyc yyg yyt yyy