-th a-a a-c a-t aaa aac aah aan aao aas aat ac- aca acc ach acn aco acs act aha ahc ahh ahn aho ahs aht an- ana anc anh ann ano ans ant aoa aoc aoh aon aoo aos aot as- asa asc ash asn aso ass ast at- ata atc ath atn ato ats att c-- caa cac cah can cao cas cat cca ccc cch ccn cco ccs cct ch- cha chc chh chn cho chs cht cn- cna cnc cnh cnn cno cns cnt co- coa coc coh con coo cos cot csa csc csh csn cso css cst cta ctc cth ctn cto cts ctt haa hac hah han hao has hat hca hcc hch hcn hco hcs hct hha hhc hhh hhn hho hhs hht hna hnc hnh hnn hno hns hnt hoa hoc hoh hon hoo hos hot hsa hsc hsh hsn hss hst hta htc hth htn hto hts htt naa nac nah nan nao nas nat nca ncc nch ncn nco ncs nct nha nhc nhh nhn nhs nht nna nnc nnh nnn nno nns nnt no- noa noc noh non noo nos not nsa nsc nsh nsn nso nss nst nta ntc nth ntn nto nts ntt oaa oac oah oan oao oas oat oc- oca occ och ocn oco ocs oct oha ohc ohh ohn oho ohs oht on- ona onc onh onn ono ons ont oo- ooa ooc ooh oon ooo oos oot os- osa osc osh osn oso oss ost ot- ota otc oth otn oto ots ott saa sac sah san sao sas sat sca scc sch scn sco scs sct sh- sha shc shh shn sho shs sht sna snc snn sno sns snt soa soc soh son soo sos sot ss- ssa ssc ssh ssn sso sss sst sta stc sth stn sto sts stt taa tac tah tan tao tas tat tca tcc tch tcn tco tcs tct th- tha thc thh thn tho ths tht tna tnc tnh tnn tno tns tnt to- toa toc toh ton too tos tot tsa tsc tsh tsn tso tss tst tta ttc tth ttn tto tts ttt