a-a aaa aak aam aao aas aka akk akm ako aks ama amk amm amo ams aoa aok aom aoo aos as- asa ask asm aso ass ka- kaa kak kam kao kas kkk kkm kks kma kmk kmm kmo kms koa kok kom koo kos ksa ksk ksm kso kss m-o maa mak mam mao mas mka mkk mkm mko mks mma mmk mmm mmo mms moa mok mom moo mos msa msk msm mso mss oaa oak oam oao oas oka okk oko oks om- oma omm omo oms oo- ooa ook oom ooo oos os- osa osk osm oso oss saa sak sam sao sas sk- ska skk skm sko sks sma smk smm smo sms soa sok som soo sos ss- ssa ssk ssm sso sss