a-a a-b aaa aab aad aae aah aak aam aas ab- aba abb abd abe abh abk abm abs ad- ada adb add ade adh adk adm ads aea aeb aed aee aeh aek aem aes aha ahb ahd ahe ahh ahk ahm ahs aka akb akd ake akh akk akm aks ama amb amd ame amh amk amm ams as- asa asb asd ase ash ask asm ass baa bab bad bae bah bak bam bas bba bbb bbd bbe bbh bbk bbm bbs bda bdb bdd bde bdh bdk bdm bds be- bea beb bed bee beh bek bem bes bha bhb bhd bhe bhh bhk bhm bhs bka bkb bke bkk bkm bks bma bmb bmd bme bmh bmk bmm bms bsa bsb bsd bse bsh bsk bsm bss daa dab dad dae dah dak dam das dba dbb dbd dbe dbh dbk dbm dbs dda ddb ddd dde ddh ddk ddm dds de- dea deb ded dee deh dek dem des dh- dha dhb dhd dhe dhh dhk dhm dhs dka dkb dke dkk dkm dks dma dmb dmd dme dmh dmk dmm dms dsa dsb dsd dse dsh dsk dsm dss eaa eab ead eae eah eak eam eas eba ebb ebd ebe ebh ebk ebm ebs ed- eda edb edd ede edh edk edm eds eea eeb eed eee eek eem ees eha ehb ehd ehe ehh ehm ehs eka ekb ekd eke ekh eks em- ema emb emd eme emh emk emm ems es- esa esb esd ese esh esk esm ess haa hab had hae hah hak ham has hba hbb hbd hbe hbh hbk hbm hbs hda hdb hdd hde hdh hdk hdm hds he- hea heb hed hee heh hek hem hes hha hhb hhd hhe hhh hhk hhm hhs hka hkb hkd hkh hkk hkm hks hma hmb hmd hme hmh hmk hmm hms hsa hsb hsd hse hsh hsk hsm hss ka- kaa kab kad kae kah kak kam kas kba kbb kbd kbe kbh kbk kbm kbs kda kdb kde kdh kdk kdm kds ke- kea keb ked kee keh kek kem kes kha khe khh khk khm khs kkb kke kkh kkk kkm kks kma kmb kmd kme kmh kmk kmm kms ksa ksb ksd kse ksh ksk ksm kss maa mab mad mae mah mak mam mas mba mbb mbd mbe mbh mbk mbm mbs mda mdb mdd mde mdh mdk mdm mds mea meb med mee meh mek mem mes mha mhd mhh mhk mhm mhs mka mkb mkd mke mkh mkk mkm mks mma mmb mmd mme mmh mmk mmm mms msa msb msd mse msh msk msm mss saa sab sad sae sah sak sam sas sba sbb sbd sbe sbh sbk sbm sbs sda sdb sdd sde sdh sdk sdm sds se- sea seb sed see seh sek sem ses sh- sha shb shd she shh shk shm shs sk- ska skb skd ske skh skk skm sks sma smb smd sme smh smk smm sms ss- ssa ssb ssd sse ssh ssk ssm sss