-th a-a a-b a-t aaa aab aad aae aah aak aas aat ab- aba abb abd abe abh abk abs abt ad- ada adb add ade adh adk ads adt aea aeb aed aee aeh aek aes aet aha ahb ahd ahe ahh ahk ahs aht aka akb akd ake akh akk aks as- asa asb asd ase ash ask ass ast at- ata atb atd ate ath ats att baa bab bad bae bah bak bas bat bba bbb bbd bbe bbh bbk bbs bbt bda bdb bdd bde bdh bdk bds bdt be- bea beb bed bee beh bek bes bet bha bhb bhd bhe bhh bhk bhs bht bka bkb bke bkk bks bkt bsa bsb bsd bse bsh bsk bss bst bta btb btd bte bth btk bts btt daa dab dad dae dah dak das dat dba dbb dbd dbe dbh dbk dbs dbt dda ddb ddd dde ddh ddk dds ddt de- dea deb ded dee deh dek des det dh- dha dhb dhd dhe dhh dhk dhs dht dka dkb dke dkk dks dkt dsa dsb dsd dse dsh dsk dss dst dta dtb dtd dte dth dtk dts dtt eaa eab ead eae eah eak eas eat eba ebb ebd ebe ebh ebk ebs ebt ed- eda edb edd ede edh edk eds edt eea eeb eed eee eek ees eet eha ehb ehd ehe ehh ehs eht eka ekb ekd eke ekh eks ekt es- esa esb esd ese esh esk ess est eta etb etd ete eth etk ets ett haa hab had hae hah hak has hat hba hbb hbd hbe hbh hbk hbs hbt hda hdb hdd hde hdh hdk hds hdt he- hea heb hed hee heh hek hes het hha hhb hhd hhe hhh hhk hhs hht hka hkb hkd hkh hkk hks hkt hsa hsb hsd hse hsh hsk hss hst hta htb htd hte hth htk hts htt k-t ka- kaa kab kad kae kah kak kas kat kba kbb kbd kbe kbh kbk kbs kda kdb kde kdh kdk kds kdt ke- kea keb ked kee keh kek kes ket kha khe khh khk khs kkb kke kkh kkk kks kkt ksa ksb ksd kse ksh ksk kss kst kta ktb kte kth ktk kts ktt saa sab sad sae sah sak sas sat sba sbb sbd sbe sbh sbk sbs sbt sda sdb sdd sde sdh sdk sds sdt se- sea seb sed see seh sek ses set sh- sha shb shd she shh shk shs sht sk- ska skb skd ske skh skk sks skt ss- ssa ssb ssd sse ssh ssk sss sst sta stb std ste sth stk sts stt taa tab tad tae tah tak tas tat tba tbb tbd tbe tbh tbk tbs tbt tda tdb tdd tde tdh tdk tds tdt te- tea teb ted tee teh tek tes tet th- tha thb thd the thh thk ths tht tka tkb tke tkk tks tkt tsa tsb tsd tse tsh tsk tss tst tta ttb ttd tte tth ttk tts ttt