a-a a-b a-i aaa aab aad aae aah aai aak aas ab- aba abb abd abe abh abi abk abs ad- ada adb add ade adh adi adk ads aea aeb aed aee aeh aei aek aes aha ahb ahd ahe ahh ahi ahk ahs ai- aia aib aid aie aih aii aik ais aka akb akd ake akh aki akk aks as- asa asb asd ase ash asi ask ass baa bab bad bae bah bai bak bas bba bbb bbd bbe bbh bbi bbk bbs bda bdb bdd bde bdh bdi bdk bds be- bea beb bed bee beh bei bek bes bha bhb bhd bhe bhh bhi bhk bhs bi- bia bib bid bie bih bii bik bis bka bkb bke bkk bks bsa bsb bsd bse bsh bsi bsk bss daa dab dad dae dah dai dak das dba dbb dbd dbe dbh dbi dbk dbs dda ddb ddd dde ddh ddi ddk dds de- dea deb ded dee deh dei dek des dh- dha dhb dhd dhe dhh dhi dhk dhs di- dia dib did die dih dii dik dis dka dkb dke dki dkk dks dsa dsb dsd dse dsh dsi dsk dss eaa eab ead eae eah eai eak eas eba ebb ebd ebe ebh ebi ebk ebs ed- eda edb edd ede edh edi edk eds eea eeb eed eee eek ees eha ehb ehd ehe ehh ehi ehs eia eib eid eie eii eik eis eka ekb ekd eke ekh eki eks es- esa esb esd ese esh esi esk ess h-i haa hab had hae hah hai hak has hba hbb hbd hbe hbh hbi hbk hbs hda hdb hdd hde hdh hdi hdk hds he- hea heb hed hee heh hei hek hes hha hhb hhd hhe hhh hhi hhk hhs hia hib hid hie hih hii hik his hka hkb hkd hkh hki hkk hks hsa hsb hsd hse hsh hsi hsk hss i-d ia- iaa iab iad iae iah iai ias iba ibb ibd ibe ibh ibi ibk ibs ida idb idd ide idh idi idk ids ie- iea ied iee iei iek ies iha ihb ihd ihe ihh ihi ihk ihs iia iib iid iie iih iii iis ika ikb ike iki ikk iks is- isa isb isd ise ish isi isk iss ka- kaa kab kad kae kah kai kak kas kba kbb kbd kbe kbh kbi kbk kbs kda kdb kde kdh kdk kds ke- kea keb ked kee keh kei kek kes kha khe khh khi khk khs kia kib kid kie kih kii kik kis kkb kke kkh kki kkk kks ksa ksb ksd kse ksh ksi ksk kss saa sab sad sae sah sai sak sas sba sbb sbd sbe sbh sbi sbk sbs sda sdb sdd sde sdh sdi sdk sds se- sea seb sed see seh sei sek ses sh- sha shb shd she shh shi shk shs sia sib sid sie sih sii sik sis sk- ska skb skd ske skh ski skk sks ss- ssa ssb ssd sse ssh ssi ssk sss