-th a-a a-c a-t aaa aac aae aah aak aao aas aat ac- aca acc ace ach ack aco acs act aea aec aee aeh aek aeo aes aet aha ahc ahe ahh ahk aho ahs aht aka akc ake akh akk ako aks aoa aoc aoe aoh aok aoo aos aot as- asa asc ase ash ask aso ass ast at- ata atc ate ath ato ats att c-- caa cac cae cah cak cao cas cat cca ccc cce cch cck cco ccs cct ce- cea cec cee ceh cek ceo ces cet ch- cha chc che chh chk cho chs cht cka ckc ckh cko cks ckt co- coa coc coe coh cok coo cos cot csa csc cse csh csk cso css cst cta ctc cte cth ctk cto cts ctt eaa eac eae eah eak eao eas eat ec- eca ecc ece ech eck eco ecs ect eea eec eee eek eeo ees eet eha ehc ehe ehh eho ehs eht eka ekc eke ekh eko eks ekt eo- eoa eoc eoe eoh eok eoo eos eot es- esa esc ese esh esk eso ess est eta etc ete eth etk eto ets ett haa hac hae hah hak hao has hat hca hcc hce hch hck hco hcs hct he- hea hec hee heh hek heo hes het hha hhc hhe hhh hhk hho hhs hht hka hkh hkk hko hks hkt hoa hoc hoe hoh hok hoo hos hot hsa hsc hse hsh hsk hss hst hta htc hte hth htk hto hts htt k-t ka- kaa kac kae kah kak kao kas kat kca kcc kce kch kck kcs kct ke- kea kec kee keh kek keo kes ket kha khe khh khk kho khs kkc kke kkh kkk kks kkt koa koc koe koh kok koo kos kot ksa ksc kse ksh ksk kso kss kst kta ktc kte kth ktk kto kts ktt oaa oac oae oah oak oao oas oat oc- oca occ och ock oco ocs oct oea oec oee oeh oeo oes oet oha ohc ohe ohh oho ohs oht oka okc oke okk oko oks oo- ooa ooc ooh ook ooo oos oot os- osa osc ose osh osk oso oss ost ot- ota otc ote oth otk oto ots ott saa sac sae sah sak sao sas sat sca scc sce sch sck sco scs sct se- sea sec see seh sek seo ses set sh- sha shc she shh shk sho shs sht sk- ska skc ske skh skk sko sks skt soa soc soe soh sok soo sos sot ss- ssa ssc sse ssh ssk sso sss sst sta stc ste sth stk sto sts stt taa tac tae tah tak tao tas tat tca tcc tce tch tck tco tcs tct te- tea tec tee teh tek teo tes tet th- tha thc the thh thk tho ths tht tka tkc tke tkk tko tks tkt to- toa toc toe toh tok too tos tot tsa tsc tse tsh tsk tso tss tst tta ttc tte tth ttk tto tts ttt