-th a-a a-c a-t aaa aac aad aae aah aak aas aat ac- aca acc acd ace ach ack acs act ad- ada adc add ade adh adk ads adt aea aec aed aee aeh aek aes aet aha ahc ahd ahe ahh ahk ahs aht aka akc akd ake akh akk aks as- asa asc asd ase ash ask ass ast at- ata atc atd ate ath ats att c-- caa cac cad cae cah cak cas cat cca ccc ccd cce cch cck ccs cct cda cdc cdd cde cdh cdk cds cdt ce- cea cec ced cee ceh cek ces cet ch- cha chc chd che chh chk chs cht cka ckc ckd ckh cks ckt csa csc csd cse csh csk css cst cta ctc ctd cte cth ctk cts ctt daa dac dad dae dah dak das dat dca dcc dcd dce dck dcs dct dda ddc ddd dde ddh ddk dds ddt de- dea dec ded dee deh dek des det dh- dha dhc dhd dhe dhh dhk dhs dht dka dkc dke dkk dks dkt dsa dsc dsd dse dsh dsk dss dst dta dtc dtd dte dth dtk dts dtt eaa eac ead eae eah eak eas eat ec- eca ecc ecd ece ech eck ecs ect ed- eda edc edd ede edh edk eds edt eea eec eed eee eek ees eet eha ehc ehd ehe ehh ehs eht eka ekc ekd eke ekh eks ekt es- esa esc esd ese esh esk ess est eta etc etd ete eth etk ets ett haa hac had hae hah hak has hat hca hcc hcd hce hch hck hcs hct hda hdc hdd hde hdh hdk hds hdt he- hea hec hed hee heh hek hes het hha hhc hhd hhe hhh hhk hhs hht hka hkd hkh hkk hks hkt hsa hsc hsd hse hsh hsk hss hst hta htc htd hte hth htk hts htt k-t ka- kaa kac kad kae kah kak kas kat kca kcc kcd kce kch kck kcs kct kda kdc kde kdh kdk kds kdt ke- kea kec ked kee keh kek kes ket kha khe khh khk khs kkc kke kkh kkk kks kkt ksa ksc ksd kse ksh ksk kss kst kta ktc kte kth ktk kts ktt saa sac sad sae sah sak sas sat sca scc scd sce sch sck scs sct sda sdc sdd sde sdh sdk sds sdt se- sea sec sed see seh sek ses set sh- sha shc shd she shh shk shs sht sk- ska skc skd ske skh skk sks skt ss- ssa ssc ssd sse ssh ssk sss sst sta stc std ste sth stk sts stt taa tac tad tae tah tak tas tat tca tcc tcd tce tch tck tcs tct tda tdc tdd tde tdh tdk tds tdt te- tea tec ted tee teh tek tes tet th- tha thc thd the thh thk ths tht tka tkc tke tkk tks tkt tsa tsc tsd tse tsh tsk tss tst tta ttc ttd tte tth ttk tts ttt