roa roc rog roh roi rol roo rop ror rot roy rpa rpc rpg rph rpi rpl rpo rpp rpr rpt rra rrc rrg rrh rri rrl rrp rrr rrt rta rtc rtg rti rtl rto rtp rtr rtt rty ry- rya ryc ryg ryo ryr ryy taa tac tag tah tai tal tao tap tar tat tay tca tcc tcg tch tci tcl tco tcp tcr tct tga tgc tgg tgh tgi tgl tgo tgp tgr tgt tgy th- tha thc thg thh thi thl tho thp thr tht thy tia tic tig tih tii til tio tip tir tit tiy tla tlc tlg tlh tli tll tlo tlp tlr tlt to- toa toc tog toh toi tol too top tor tot toy tpa tpc tpg tph tpi tpl tpo tpp tpr tpt tra trc trg trh tri trl tro trp trr trt try tta ttc ttg tth tti ttl tto ttp ttr ttt tty tya tyc tyg tyl tyo typ tyr tyt yaa yac yag yah yai yal yao yap yar yat yay yca ycc ych yci ycl yco ycp ycy yga ygc ygl ygo yha yhc yhi yht yig yih yii yio yip yir yit ylc ylg yli yll ylr ylt yly yoc yog yoi yol yoo yop yor yot yoy ypa ypg ypl ypo yra yrc yrg yro yrp yrt yta ytc yth ytl yto ytp ytr ytt yyc yyg yyt yyy