a-a a-c a-z aaa aac aag aan aao aas aaw aaz ac- aca acc acg acn aco acs acw acz ag- aga agc agg agn ago ags agw agz an- ana anc ang ann ano ans anz aoa aoc aog aon aoo aos aow as- asa asc asg asn aso ass asw asz aw- awa awc awg awn awo aws aww az- aza azg azn azo azs azw azz c-- caa cac cag can cao cas caw caz cca ccc ccg ccn cco ccs ccw ccz cga cgc cgg cgn cgo cgs cgw cn- cna cnc cng cnn cno cns cnw co- coa coc cog con coo cos cow coz csa csc csg csn cso css csw csz cw- cwa cwc cwg cwn cwo cws cz- czc czo czw gaa gac gag gan gao gas gaw gaz gca gcc gcg gcn gco gcs gcw gga ggc ggg ggn ggo ggs ggw ggz gna gnc gnn gno gns gnw goa goc gog gon goo gos gow goz gsa gsc gsg gsn gso gss gsw gwa gwc gwg gwn gws gza gzo naa nac nag nan nao nas naw naz nca ncc ncg ncn nco ncs ncw nga ngc ngg ngn ngo ngs ngw nna nnc nng nnn nno nns nnw nnz no- noa noc nog non noo nos now noz nsa nsc nsg nsn nso nss nsw nsz nwa nwc nwn nwo nws nzg nzo nzs nzz oaa oac oag oan oao oas oaw oc- oca occ ocg ocn oco ocs ocw ocz oga ogc ogg ogn ogo ogs on- ona onc ong onn ono ons oo- ooa ooc oog oon ooo oos oow os- osa osc osg osn oso oss osw owa owc own owo ows oww oza ozo ozs ozw ozz saa sac sag san sao sas saw saz sca scc scg scn sco scs scw sga sgc sgg sgn sgo sgs sna snc sng snn sno sns snw soa soc sog son soo sos sow soz ss- ssa ssc ssg ssn sso sss ssw ssz swa swc swg swn swo sws sza waa wac wag wan wao was waw waz wca wcc wcg wcn wco wcs wcw wga wgc wgn wgo wgs wgw wgz wn- wna wnc wng wnn wno wns wnw woa woc wog won woo wos wow woz wsa wsc wsg wsn wso wss wsw wwa wwc wwn wwo www wzc z-g zaa zac zag zan zao zas zaz zco zcs zgg zgs znc znn zno zns zo- zoa zoc zog zon zoo zos zow zsa zsg zsz zws zzs zzz