a-a a-c a-t aaa aac aan aao aar aat aay ac- aca acc acn aco acr act acy an- ana anc ann ano anr ant any aoa aoc aon aoo aor aot ar- ara arc arn aro arr art ary at- ata atc atn ato atr att ay- aya ayc ayn ayo ayr ayt c-- caa cac can cao car cat cay cca ccc ccn cco ccr cct cn- cna cnc cnn cno cnr cnt cny co- coa coc con coo cor cot coy cra crc crn cro crr crt cry cta ctc ctn cto ctr ctt cty cya cyc cyn cyo cyr cyt naa nac nan nao nar nat nay nca ncc ncn nco ncr nct nna nnc nnn nno nnt no- noa noc non noo nor not noy nra nrc nrn nro nrr nrt nry nta ntc ntn nto ntr ntt nya nyc nyn nyo nyt nyy oaa oac oan oao oar oat oc- oca occ ocn oco ocr oct on- ona onc onn ono onr ont ony oo- ooa ooc oon ooo oor oot or- ora orc orn oro orr ort ory ot- ota otc otn oto otr ott oya oyo ra- raa rac ran rao rar rat ray rca rcc rcn rco rcr rct rna rnc rnn rno rnr rnt rny roa roc ron roo ror rot roy rra rrc rrn rrr rrt rta rtc rtn rto rtr rtt rty ry- rya ryc ryn ryo ryr ryy taa tac tan tao tar tat tay tca tcc tcn tco tcr tct tna tnc tnn tno tnr tnt to- toa toc ton too tor tot toy tra trc trn tro trr trt try tta ttc ttn tto ttr ttt tty tya tyc tyn tyo tyr tyt yaa yac yan yao yar yat yay yca ycc yco ycy yna ynn yny yoc yon yoo yor yot yoy yra yrc yrn yro yrt yta ytc ytn yto ytr ytt yyc yyt yyy