a-a a-b aaa aab aad aah aam aas ab- aba abb abd abh abm abs ad- ada adb add adh adm ads aha ahb ahd ahh ahm ahs ama amb amd amh amm ams as- asa asb asd ash asm ass baa bab bad bah bam bas bba bbb bbd bbh bbm bbs bda bdb bdd bdh bdm bds bha bhb bhd bhh bhm bhs bma bmb bmd bmh bmm bms bsa bsb bsd bsh bsm bss daa dab dad dah dam das dba dbb dbd dbh dbm dbs dda ddb ddd ddh ddm dds dh- dha dhb dhd dhh dhm dhs dma dmb dmd dmh dmm dms dsa dsb dsd dsh dsm dss haa hab had hah ham has hba hbb hbd hbh hbm hbs hda hdb hdd hdh hdm hds hha hhb hhd hhh hhm hhs hma hmb hmd hmh hmm hms hsa hsb hsd hsh hsm hss maa mab mad mah mam mas mba mbb mbd mbh mbm mbs mda mdb mdd mdh mdm mds mha mhd mhh mhm mhs mma mmb mmd mmh mmm mms msa msb msd msh msm mss saa sab sad sah sam sas sba sbb sbd sbh sbm sbs sda sdb sdd sdh sdm sds sh- sha shb shd shh shm shs sma smb smd smh smm sms ss- ssa ssb ssd ssh ssm sss