-al -th a-a a-c a-t aaa aac aah aal aat ac- aca acc ach acl act aha ahc ahh ahl aht al- ala alc alh all alt at- ata atc ath atl att c-- caa cac cah cal cat cca ccc cch ccl cct ch- cha chc chh chl cht cl- cla clc clh cll clt cta ctc cth ctl ctt haa hac hah hal hat hca hcc hch hcl hct hha hhc hhh hhl hht hla hlc hlh hll hlt hta htc hth htl htt la- laa lac lah lal lat lca lcc lch lcl lct lha lhc lhh lht lla llc lll llt lta ltc lth ltl ltt taa tac tah tal tat tca tcc tch tcl tct th- tha thc thh thl tht tla tlc tlh tll tlt tta ttc tth ttl ttt