a-a aaa aad aak aam aao aas ad- ada add adk adm ado ads aka akd akk akm ako aks ama amd amk amm amo ams aoa aod aok aom aoo aos as- asa asd ask asm aso ass daa dad dak dam dao das dda ddd ddk ddm ddo dds dka dkk dkm dko dks dma dmd dmk dmm dmo dms doa dod dok dom doo dos dsa dsd dsk dsm dso dss ka- kaa kad kak kam kao kas kda kdk kdm kdo kds kkk kkm kks kma kmd kmk kmm kmo kms koa kod kok kom koo kos ksa ksd ksk ksm kso kss m-o maa mad mak mam mao mas mda mdd mdk mdm mdo mds mka mkd mkk mkm mko mks mma mmd mmk mmm mmo mms moa mod mok mom moo mos msa msd msk msm mso mss oaa oad oak oam oao oas oda odd odm odo ods oka okd okk oko oks om- oma omd omm omo oms oo- ooa ood ook oom ooo oos os- osa osd osk osm oso oss saa sad sak sam sao sas sda sdd sdk sdm sdo sds sk- ska skd skk skm sko sks sma smd smk smm smo sms soa sod sok som soo sos ss- ssa ssd ssk ssm sso sss