a-a a-c aaa aac aad aak aam aao aas ac- aca acc acd ack acm aco acs ad- ada adc add adk adm ado ads aka akc akd akk akm ako aks ama amc amd amk amm amo ams aoa aoc aod aok aom aoo aos as- asa asc asd ask asm aso ass c-- caa cac cad cak cam cao cas cca ccc ccd cck ccm cco ccs cda cdc cdd cdk cdm cdo cds cka ckc ckd ckm cko cks cma cmc cmd cmk cmm cmo cms co- coa coc cod cok com coo cos csa csc csd csk csm cso css daa dac dad dak dam dao das dca dcc dcd dck dcm dco dcs dda ddc ddd ddk ddm ddo dds dka dkc dkk dkm dko dks dma dmc dmd dmk dmm dmo dms doa doc dod dok dom doo dos dsa dsc dsd dsk dsm dso dss ka- kaa kac kad kak kam kao kas kca kcc kcd kck kcm kcs kda kdc kdk kdm kdo kds kkc kkk kkm kks kma kmc kmd kmk kmm kmo kms koa koc kod kok kom koo kos ksa ksc ksd ksk ksm kso kss m-o maa mac mad mak mam mao mas mc- mca mcc mcd mck mcm mco mcs mda mdc mdd mdk mdm mdo mds mka mkc mkd mkk mkm mko mks mma mmc mmd mmk mmm mmo mms moa moc mod mok mom moo mos msa msc msd msk msm mso mss oaa oac oad oak oam oao oas oc- oca occ ocd ock ocm oco ocs oda odc odd odm odo ods oka okc okd okk oko oks om- oma omc omd omm omo oms oo- ooa ooc ood ook oom ooo oos os- osa osc osd osk osm oso oss saa sac sad sak sam sao sas sca scc scd sck scm sco scs sda sdc sdd sdk sdm sdo sds sk- ska skc skd skk skm sko sks sma smc smd smk smm smo sms soa soc sod sok som soo sos ss- ssa ssc ssd ssk ssm sso sss