-th a-a a-c a-t aaa aac aah aan aas aat ac- aca acc ach acn acs act aha ahc ahh ahn ahs aht an- ana anc anh ann ans ant as- asa asc ash asn ass ast at- ata atc ath atn ats att c-- caa cac cah can cas cat cca ccc cch ccn ccs cct ch- cha chc chh chn chs cht cn- cna cnc cnh cnn cns cnt csa csc csh csn css cst cta ctc cth ctn cts ctt haa hac hah han has hat hca hcc hch hcn hcs hct hha hhc hhh hhn hhs hht hna hnc hnh hnn hns hnt hsa hsc hsh hsn hss hst hta htc hth htn hts htt naa nac nah nan nas nat nca ncc nch ncn ncs nct nha nhc nhh nhn nhs nht nna nnc nnh nnn nns nnt nsa nsc nsh nsn nss nst nta ntc nth ntn nts ntt saa sac sah san sas sat sca scc sch scn scs sct sh- sha shc shh shn shs sht sna snc snn sns snt ss- ssa ssc ssh ssn sss sst sta stc sth stn sts stt taa tac tah tan tas tat tca tcc tch tcn tcs tct th- tha thc thh thn ths tht tna tnc tnh tnn tns tnt tsa tsc tsh tsn tss tst tta ttc tth ttn tts ttt