-al -ol a-a a-c aaa aac aad aag aak aal aao ac- aca acc acd acg ack acl aco ad- ada adc add adg adk adl ado ag- aga agc agd agg agk agl ago aka akc akd akg akk akl ako al- ala alc ald alg alk all alo aoa aoc aod aog aok aol aoo c-- caa cac cad cag cak cal cao cca ccc ccd ccg cck ccl cco cda cdc cdd cdg cdk cdl cdo cga cgc cgd cgg cgl cgo cka ckc ckd cko cl- cla clc cld clg clk cll clo co- coa coc cod cog cok col coo daa dac dad dag dak dal dao dca dcc dcd dcg dck dcl dco dda ddc ddd ddg ddk ddl ddo dga dgc dgd dgg dgk dgl dka dkc dkg dkk dkl dko dl- dla dlc dld dlg dlk dll dlo doa doc dod dog dok dol doo g-d gaa gac gad gag gak gal gao gca gcc gcd gcg gck gcl gco gda gdc gdd gdk gdl gdo gga ggc ggd ggg ggo gka gkd gko gla glc gld glg glk gll glo goa goc god gog gok gol goo ka- kaa kac kad kag kak kal kao kca kcc kcd kcg kck kcl kda kdc kdg kdk kdl kdo kga kgc kgd kgl kgo kkc kkk kkl kl- kla klc kld klg klo koa koc kod kog kok kol koo la- laa lac lad lag lak lal lao lca lcc lcd lcg lck lcl lco lda ldc ldd ldg ldk ldl ldo lga lgc lgd lgg lgk lgl lgo lka lkg lkl lla llc lld llg llk lll llo loa loc lod log lok lol loo oaa oac oad oag oak oal oao oc- oca occ ocd ocg ock ocl oco oda odc odd odg odl odo oga ogc ogd ogg ogl ogo oka okc okd okg okk okl oko ola olc old olg olk oll olo oo- ooa ooc ood oog ook ool ooo