a-a a-c aaa aac aag aah aak aao aav ac- aca acc acg ach ack aco acv ag- aga agc agg agh agk ago agv aha ahc ahg ahh ahk aho ahv aka akc akg akh akk ako akv aoa aoc aog aoh aok aoo aov av- ava avc avg avh avk avo c-- caa cac cag cah cak cao cav cca ccc ccg cch cck cco ccv cga cgc cgg cgh cgo cgv ch- cha chc chg chh chk cho chv cka ckc ckh cko co- coa coc cog coh cok coo cov cva cvc cvg cvh cvk cvo cvv gaa gac gag gah gak gao gav gca gcc gcg gch gck gco gga ggc ggg ggh ggo ggv gha ghc ghg ghh gho gka gkh gko goa goc gog goh gok goo gov gva gvc gvg gvh gvk gvo haa hac hag hah hak hao hav hca hcc hcg hch hck hco hcv hga hgc hgg hgh hgk hgo hgv hha hhc hhg hhh hhk hho hhv hka hkg hkh hkk hko hoa hoc hog hoh hok hoo hov hv- hva hvc hvg hvk hvo hvv ka- kaa kac kag kah kak kao kav kca kcc kcg kch kck kga kgc kgh kgo kgv kha khh khk kho khv kkc kkh kkk kkv koa koc kog koh kok koo kva kvh kvk kvo kvv oaa oac oag oah oak oao oav oc- oca occ ocg och ock oco ocv oga ogc ogg ogh ogo oha ohc ohg ohh oho oka okc okg okk oko oo- ooa ooc oog ooh ook ooo oov ov- ova ovc ovh ovo ovv v-a vaa vac vag vah vak vao vav vca vcc vch vco vga vgc vgg vgh vgo vh- vha vhc vho vka vkg voa voc vog voh vok voo vov vva vvc vvg vvo vvv