a-a a-c aaa aac aad aah aam aao ac- aca acc acd ach acm aco ad- ada adc add adh adm ado aha ahc ahd ahh ahm aho ama amc amd amh amm amo aoa aoc aod aoh aom aoo c-- caa cac cad cah cam cao cca ccc ccd cch ccm cco cda cdc cdd cdh cdm cdo ch- cha chc chd chh chm cho cma cmc cmd cmh cmm cmo co- coa coc cod coh com coo daa dac dad dah dam dao dca dcc dcd dcm dco dda ddc ddd ddh ddm ddo dh- dha dhc dhd dhh dhm dho dma dmc dmd dmh dmm dmo doa doc dod doh dom doo haa hac had hah ham hao hca hcc hcd hch hcm hco hda hdc hdd hdh hdm hdo hha hhc hhd hhh hhm hho hma hmc hmd hmh hmm hmo hoa hoc hod hoh hom hoo m-o maa mac mad mah mam mao mc- mca mcc mcd mch mcm mco mda mdc mdd mdh mdm mdo mha mhc mhd mhh mhm mho mma mmc mmd mmh mmm mmo moa moc mod moh mom moo oaa oac oad oah oam oao oc- oca occ ocd och ocm oco oda odc odd odh odm odo oha ohc ohd ohh ohm oho om- oma omc omd omh omm omo oo- ooa ooc ood ooh oom ooo