a-a a-c aaa aac aad aag aah aak aao ac- aca acc acd acg ach ack aco ad- ada adc add adg adh adk ado ag- aga agc agd agg agh agk ago aha ahc ahd ahg ahh ahk aho aka akc akd akg akh akk ako aoa aoc aod aog aoh aok aoo c-- caa cac cad cag cah cak cao cca ccc ccd ccg cch cck cco cda cdc cdd cdg cdh cdk cdo cga cgc cgd cgg cgh cgo ch- cha chc chd chg chh chk cho cka ckc ckd ckh cko co- coa coc cod cog coh cok coo daa dac dad dag dah dak dao dca dcc dcd dcg dck dco dda ddc ddd ddg ddh ddk ddo dga dgc dgd dgg dgh dgk dh- dha dhc dhd dhh dhk dho dka dkc dkg dkk dko doa doc dod dog doh dok doo g-d gaa gac gad gag gah gak gao gca gcc gcd gcg gch gck gco gda gdc gdd gdh gdk gdo gga ggc ggd ggg ggh ggo gha ghc ghd ghg ghh gho gka gkd gkh gko goa goc god gog goh gok goo haa hac had hag hah hak hao hca hcc hcd hcg hch hck hco hda hdc hdd hdg hdh hdk hdo hga hgc hgg hgh hgk hgo hha hhc hhd hhg hhh hhk hho hka hkd hkg hkh hkk hko hoa hoc hod hog hoh hok hoo ka- kaa kac kad kag kah kak kao kca kcc kcd kcg kch kck kda kdc kdg kdh kdk kdo kga kgc kgd kgh kgo kha khh khk kho kkc kkh kkk koa koc kod kog koh kok koo oaa oac oad oag oah oak oao oc- oca occ ocd ocg och ock oco oda odc odd odg odh odo oga ogc ogd ogg ogh ogo oha ohc ohd ohg ohh oho oka okc okd okg okk oko oo- ooa ooc ood oog ooh ook ooo