-th a-a a-c a-t aaa aac aah aao aar aat aay ac- aca acc ach aco acr act acy aha ahc ahh aho ahr aht ahy aoa aoc aoh aoo aor aot ar- ara arc arh aro arr art ary at- ata atc ath ato atr att ay- aya ayc ayh ayo ayr ayt c-- caa cac cah cao car cat cay cca ccc cch cco ccr cct ch- cha chc chh cho chr cht chy co- coa coc coh coo cor cot coy cra crc crh cro crr crt cry cta ctc cth cto ctr ctt cty cya cyc cyo cyr cyt haa hac hah hao har hat hay hca hcc hch hco hcr hct hcy hha hhc hhh hho hhr hht hhy hoa hoc hoh hoo hor hot hoy hr- hra hrc hrh hro hrr hrt hta htc hth hto htr htt hty hy- hya hyc hyh hyo hyr hyt hyy oaa oac oah oao oar oat oc- oca occ och oco ocr oct oha ohc ohh oho ohr oht oo- ooa ooc ooh ooo oor oot or- ora orc orh oro orr ort ory ot- ota otc oth oto otr ott oya oyo ra- raa rac rah rao rar rat ray rca rcc rch rco rcr rct rh- rha rhc rhh rho rhr rht roa roc roh roo ror rot roy rra rrc rrh rrr rrt rta rtc rto rtr rtt rty ry- rya ryc ryo ryr ryy taa tac tah tao tar tat tay tca tcc tch tco tcr tct th- tha thc thh tho thr tht thy to- toa toc toh too tor tot toy tra trc trh tro trr trt try tta ttc tth tto ttr ttt tty tya tyc tyo tyr tyt yaa yac yah yao yar yat yay yca ycc ych yco ycy yha yhc yht yoc yoo yor yot yoy yra yrc yro yrt yta ytc yth yto ytr ytt yyc yyt yyy