-th a-a a-c a-t aaa aac aad aah aan aao aas aat ac- aca acc acd ach acn aco acs act ad- ada adc add adh adn ado ads adt aha ahc ahd ahh ahn aho ahs aht an- ana anc and anh ann ano ans ant aoa aoc aod aoh aon aoo aos aot as- asa asc asd ash asn aso ass ast at- ata atc atd ath atn ato ats att c-- caa cac cad cah can cao cas cat cca ccc ccd cch ccn cco ccs cct cda cdc cdd cdh cdn cdo cds cdt ch- cha chc chd chh chn cho chs cht cn- cna cnc cnd cnh cnn cno cns cnt co- coa coc cod coh con coo cos cot csa csc csd csh csn cso css cst cta ctc ctd cth ctn cto cts ctt daa dac dad dah dan dao das dat dca dcc dcd dcn dco dcs dct dda ddc ddd ddh ddn ddo dds ddt dh- dha dhc dhd dhh dho dhs dht dna dnc dnd dnh dnn dno dns dnt doa doc dod doh don doo dos dot dsa dsc dsd dsh dsn dso dss dst dta dtc dtd dth dtn dto dts dtt haa hac had hah han hao has hat hca hcc hcd hch hcn hco hcs hct hda hdc hdd hdh hdn hdo hds hdt hha hhc hhd hhh hhn hho hhs hht hna hnc hnd hnh hnn hno hns hnt hoa hoc hod hoh hon hoo hos hot hsa hsc hsd hsh hsn hss hst hta htc htd hth htn hto hts htt naa nac nad nah nan nao nas nat nca ncc ncd nch ncn nco ncs nct nda ndc ndd ndh ndn ndo nds ndt nha nhc nhd nhh nhn nhs nht nna nnc nnh nnn nno nns nnt no- noa noc nod noh non noo nos not nsa nsc nsd nsh nsn nso nss nst nta ntc ntd nth ntn nto nts ntt oaa oac oad oah oan oao oas oat oc- oca occ ocd och ocn oco ocs oct oda odc odd odh odn odo ods odt oha ohc ohd ohh ohn oho ohs oht on- ona onc ond onh onn ono ons ont oo- ooa ooc ood ooh oon ooo oos oot os- osa osc osd osh osn oso oss ost ot- ota otc otd oth otn oto ots ott saa sac sad sah san sao sas sat sca scc scd sch scn sco scs sct sda sdc sdd sdh sdn sdo sds sdt sh- sha shc shd shh shn sho shs sht sna snc snd snn sno sns snt soa soc sod soh son soo sos sot ss- ssa ssc ssd ssh ssn sso sss sst sta stc std sth stn sto sts stt taa tac tad tah tan tao tas tat tca tcc tcd tch tcn tco tcs tct tda tdc tdd tdh tdn tdo tds tdt th- tha thc thd thh thn tho ths tht tna tnc tnd tnh tnn tno tns tnt to- toa toc tod toh ton too tos tot tsa tsc tsd tsh tsn tso tss tst tta ttc ttd tth ttn tto tts ttt