-th a-a a-c a-t aaa aac aad aah aan aao aat ac- aca acc acd ach acn aco act ad- ada adc add adh adn ado adt aha ahc ahd ahh ahn aho aht an- ana anc and anh ann ano ant aoa aoc aod aoh aon aoo aot at- ata atc atd ath atn ato att c-- caa cac cad cah can cao cat cca ccc ccd cch ccn cco cct cda cdc cdd cdh cdn cdo cdt ch- cha chc chd chh chn cho cht cn- cna cnc cnd cnh cnn cno cnt co- coa coc cod coh con coo cot cta ctc ctd cth ctn cto ctt daa dac dad dah dan dao dat dca dcc dcd dcn dco dct dda ddc ddd ddh ddn ddo ddt dh- dha dhc dhd dhh dho dht dna dnc dnd dnh dnn dno dnt doa doc dod doh don doo dot dta dtc dtd dth dtn dto dtt haa hac had hah han hao hat hca hcc hcd hch hcn hco hct hda hdc hdd hdh hdn hdo hdt hha hhc hhd hhh hhn hho hht hna hnc hnd hnh hnn hno hnt hoa hoc hod hoh hon hoo hot hta htc htd hth htn hto htt naa nac nad nah nan nao nat nca ncc ncd nch ncn nco nct nda ndc ndd ndh ndn ndo ndt nha nhc nhd nhh nhn nht nna nnc nnh nnn nno nnt no- noa noc nod noh non noo not nta ntc ntd nth ntn nto ntt oaa oac oad oah oan oao oat oc- oca occ ocd och ocn oco oct oda odc odd odh odn odo odt oha ohc ohd ohh ohn oho oht on- ona onc ond onh onn ono ont oo- ooa ooc ood ooh oon ooo oot ot- ota otc otd oth otn oto ott taa tac tad tah tan tao tat tca tcc tcd tch tcn tco tct tda tdc tdd tdh tdn tdo tdt th- tha thc thd thh thn tho tht tna tnc tnd tnh tnn tno tnt to- toa toc tod toh ton too tot tta ttc ttd tth ttn tto ttt