-th a-a a-c a-t aaa aac aah aat aau ac- aca acc ach act acu aha ahc ahh aht ahu at- ata atc ath att atu au- aua auc auh aut c-- caa cac cah cat cau cca ccc cch cct ccu ch- cha chc chh cht chu cta ctc cth ctt ctu cua cuc cuh cut cuu haa hac hah hat hau hca hcc hch hct hha hhc hhh hht hhu hta htc hth htt hua huc huh hut huu taa tac tah tat tau tca tcc tch tct tcu th- tha thc thh tht thu tta ttc tth ttt ttu tua tuc tuh tut tuu ua- uaa uac uah uat uau uca ucc uch uct ucu uha uhc uhh uht uhu uta utc uth utt utu uua uuc uut uuu