a-a a-c a-z aaa aac aag aak aao aaw aaz ac- aca acc acg ack aco acw acz ag- aga agc agg agk ago agw agz aka akc akg akk ako akw aoa aoc aog aok aoo aow aw- awa awc awg awk awo aww az- aza azg azo azw azz c-- caa cac cag cak cao caw caz cca ccc ccg cck cco ccw ccz cga cgc cgg cgo cgw cka ckc cko ckw co- coa coc cog cok coo cow coz cw- cwa cwc cwg cwk cwo cz- czc czk czo czw gaa gac gag gak gao gaw gaz gca gcc gcg gck gco gcw gga ggc ggg ggo ggw ggz gka gko goa goc gog gok goo gow goz gwa gwc gwg gwk gza gzo k-z ka- kaa kac kag kak kao kaw kaz kca kcc kcg kck kga kgc kgo kgw kkc kkk koa koc kog kok koo kow koz kw- kwa kwc kwg kwk kwo kww kzo kzw oaa oac oag oak oao oaw oc- oca occ ocg ock oco ocw ocz oga ogc ogg ogo oka okc okg okk oko okw oo- ooa ooc oog ook ooo oow owa owc owk owo oww oza ozo ozw ozz waa wac wag wak wao waw waz wca wcc wcg wck wco wcw wga wgc wgo wgw wgz wka wkc wkg wko wkw woa woc wog wok woo wow woz wwa wwc wwo www wzc z-g zaa zac zag zak zao zaz zco zgg zka zo- zoa zoc zog zok zoo zow zzz