-th a-a a-c a-t aaa aac aah aan aat aau aax ac- aca acc ach acn act acu acx aha ahc ahh ahn aht ahu ahx an- ana anc anh ann ant anu anx at- ata atc ath atn att atu atx au- aua auc auh aun aut aux ax- axa axh axn axt axx c-- caa cac cah can cat cau cax cca ccc cch ccn cct ccu ccx ch- cha chc chh chn cht chu chx cn- cna cnc cnh cnn cnt cnu cnx cta ctc cth ctn ctt ctu ctx cua cuc cuh cun cut cuu cxc cxh cxt cxx haa hac hah han hat hau hax hca hcc hch hcn hct hha hhc hhh hhn hht hhu hna hnc hnh hnn hnt hnu hta htc hth htn htt htx hua huc huh hun hut huu hux hxc naa nac nah nan nat nau nax nca ncc nch ncn nct ncu ncx nha nhc nhh nhn nht nhu nna nnc nnh nnn nnt nnu nta ntc nth ntn ntt ntu ntx nua nuc nuh nun nut nuu nux nxc nxt t-x taa tac tah tan tat tau tax tca tcc tch tcn tct tcu tcx th- tha thc thh thn tht thu thx tna tnc tnh tnn tnt tnx tta ttc tth ttn ttt ttu ttx tua tuc tuh tun tut tuu tux txn txt txu ua- uaa uac uah uan uat uau uca ucc uch ucn uct ucu uha uhc uhh uht uhu un- una unc unh unn unt unu unx uta utc uth utn utt utu utx uua uuc uun uut uuu uxc uxt uxu xaa xac xan xat xau xch xcx xht xna xnc xnu xtc xtx xun xxx