a-a a-b aaa aab aad aae aah aam aas ab- aba abb abd abe abh abm abs ad- ada adb add ade adh adm ads aea aeb aed aee aeh aem aes aha ahb ahd ahe ahh ahm ahs ama amb amd ame amh amm ams as- asa asb asd ase ash asm ass baa bab bad bae bah bam bas bba bbb bbd bbe bbh bbm bbs bda bdb bdd bde bdh bdm bds be- bea beb bed bee beh bem bes bha bhb bhd bhe bhh bhm bhs bma bmb bmd bme bmh bmm bms bsa bsb bsd bse bsh bsm bss daa dab dad dae dah dam das dba dbb dbd dbe dbh dbm dbs dda ddb ddd dde ddh ddm dds de- dea deb ded dee deh dem des dh- dha dhb dhd dhe dhh dhm dhs dma dmb dmd dme dmh dmm dms dsa dsb dsd dse dsh dsm dss eaa eab ead eae eah eam eas eba ebb ebd ebe ebh ebm ebs ed- eda edb edd ede edh edm eds eea eeb eed eee eem ees eha ehb ehd ehe ehh ehm ehs em- ema emb emd eme emh emm ems es- esa esb esd ese esh esm ess haa hab had hae hah ham has hba hbb hbd hbe hbh hbm hbs hda hdb hdd hde hdh hdm hds he- hea heb hed hee heh hem hes hha hhb hhd hhe hhh hhm hhs hma hmb hmd hme hmh hmm hms hsa hsb hsd hse hsh hsm hss maa mab mad mae mah mam mas mba mbb mbd mbe mbh mbm mbs mda mdb mdd mde mdh mdm mds mea meb med mee meh mem mes mha mhd mhh mhm mhs mma mmb mmd mme mmh mmm mms msa msb msd mse msh msm mss saa sab sad sae sah sam sas sba sbb sbd sbe sbh sbm sbs sda sdb sdd sde sdh sdm sds se- sea seb sed see seh sem ses sh- sha shb shd she shh shm shs sma smb smd sme smh smm sms ss- ssa ssb ssd sse ssh ssm sss