-th a-a a-c a-t aaa aac aae aah aan aat ac- aca acc ace ach acn act aea aec aee aeh aen aet aha ahc ahe ahh ahn aht an- ana anc ane anh ann ant at- ata atc ate ath atn att c-- caa cac cae cah can cat cca ccc cce cch ccn cct ce- cea cec cee ceh cen cet ch- cha chc che chh chn cht cn- cna cnc cne cnh cnn cnt cta ctc cte cth ctn ctt eaa eac eae eah ean eat ec- eca ecc ece ech ecn ect eea eec eee een eet eha ehc ehe ehh ehn eht en- ena enc ene enh enn ent eta etc ete eth etn ett haa hac hae hah han hat hca hcc hce hch hcn hct he- hea hec hee heh hen het hha hhc hhe hhh hhn hht hna hnc hne hnh hnn hnt hta htc hte hth htn htt naa nac nae nah nan nat nca ncc nce nch ncn nct ne- nea nec nee neh nen net nha nhc nhe nhh nhn nht nna nnc nne nnh nnn nnt nta ntc nte nth ntn ntt taa tac tae tah tan tat tca tcc tce tch tcn tct te- tea tec tee teh ten tet th- tha thc the thh thn tht tna tnc tne tnh tnn tnt tta ttc tte tth ttn ttt