-th a-a a-c a-t aaa aac aae aah aas aat aau aax ac- aca acc ace ach acs act acu acx aea aec aee aeh aes aet aeu aex aha ahc ahe ahh ahs aht ahu ahx as- asa asc ase ash ass ast asu asx at- ata atc ate ath ats att atu atx au- aua auc aue auh aus aut aux ax- axa axe axh axs axt axx c-- caa cac cae cah cas cat cau cax cca ccc cce cch ccs cct ccu ccx ce- cea cec cee ceh ces cet ceu cex ch- cha chc che chh chs cht chu chx csa csc cse csh css cst csu csx cta ctc cte cth cts ctt ctu ctx cua cuc cue cuh cus cut cuu cxc cxh cxs cxt cxx eaa eac eae eah eas eat eau eax ec- eca ecc ece ech ecs ect ecu ecx eea eec eee ees eet eex eha ehc ehe ehh ehs eht ehu es- esa esc ese esh ess est esu esx eta etc ete eth ets ett etu etx eu- eua euc eue eus eut eux ex- exa exc exe exh exs ext exu exx haa hac hae hah has hat hau hax hca hcc hce hch hcs hct he- hea hec hee heh hes het heu hex hha hhc hhe hhh hhs hht hhu hsa hsc hse hsh hss hst hsu hsx hta htc hte hth hts htt htx hua huc hue huh hus hut huu hux hxc saa sac sae sah sas sat sau sax sca scc sce sch scs sct scu scx se- sea sec see seh ses set seu sex sh- sha shc she shh shs sht shu ss- ssa ssc sse ssh sss sst ssu ssx sta stc ste sth sts stt stu stx sua suc sue suh sus sut suu sux sxc sxs sxt sxu t-x taa tac tae tah tas tat tau tax tca tcc tce tch tcs tct tcu tcx te- tea tec tee teh tes tet teu tex th- tha thc the thh ths tht thu thx tsa tsc tse tsh tss tst tsu tsx tta ttc tte tth tts ttt ttu ttx tua tuc tue tuh tus tut tuu tux txe txs txt txu ua- uaa uac uae uah uas uat uau uca ucc uce uch ucs uct ucu uea uec uee ueh ues uet uha uhc uhe uhh uhs uht uhu usa usc use ush uss ust usu usx uta utc ute uth uts utt utu utx uua uuc uue uus uut uuu uxc uxt uxu xaa xac xas xat xau xch xcx xee xes xet xeu xex xht xsa xsc xss xst xtc xts xtx xue xus xxx