-th a-a a-c a-t aaa aac aae aah aat aau aax ac- aca acc ace ach act acu acx aea aec aee aeh aet aeu aex aha ahc ahe ahh aht ahu ahx at- ata atc ate ath att atu atx au- aua auc aue auh aut aux ax- axa axe axh axt axx c-- caa cac cae cah cat cau cax cca ccc cce cch cct ccu ccx ce- cea cec cee ceh cet ceu cex ch- cha chc che chh cht chu chx cta ctc cte cth ctt ctu ctx cua cuc cue cuh cut cuu cxc cxh cxt cxx eaa eac eae eah eat eau eax ec- eca ecc ece ech ect ecu ecx eea eec eee eet eex eha ehc ehe ehh eht ehu eta etc ete eth ett etu etx eu- eua euc eue eut eux ex- exa exc exe exh ext exu exx haa hac hae hah hat hau hax hca hcc hce hch hct he- hea hec hee heh het heu hex hha hhc hhe hhh hht hhu hta htc hte hth htt htx hua huc hue huh hut huu hux hxc t-x taa tac tae tah tat tau tax tca tcc tce tch tct tcu tcx te- tea tec tee teh tet teu tex th- tha thc the thh tht thu thx tta ttc tte tth ttt ttu ttx tua tuc tue tuh tut tuu tux txe txt txu ua- uaa uac uae uah uat uau uca ucc uce uch uct ucu uea uec uee ueh uet uha uhc uhe uhh uht uhu uta utc ute uth utt utu utx uua uuc uue uut uuu uxc uxt uxu xaa xac xat xau xch xcx xee xet xeu xex xht xtc xtx xue xxx