-ic a-a a-c a-i a-z aaa aac aag aai aak aao aas aaz ac- aca acc acg aci ack aco acs acz ag- aga agc agg agi agk ago ags agz ai- aia aic aig aii aik aio ais aiz aka akc akg aki akk ako aks aoa aoc aog aoi aok aoo aos as- asa asc asg asi ask aso ass asz az- aza azg azi azo azs azz c-- caa cac cag cai cak cao cas caz cca ccc ccg cci cck cco ccs ccz cga cgc cgg cgi cgo cgs ci- cia cic cig cii cik cio cis cka ckc cki cko cks co- coa coc cog coi cok coo cos coz csa csc csg csi csk cso css csz cz- czc czk czo gaa gac gag gai gak gao gas gaz gca gcc gcg gci gck gco gcs gga ggc ggg ggi ggo ggs ggz gia gic gig gii gik gio gis giz gka gko gks goa goc gog goi gok goo gos goz gsa gsc gsg gsi gsk gso gss gza gzo ia- iaa iac iag iai iao ias iaz ica icc icg ici ick ico ics icz iga igc igg igi igk igo igs iia iic iii iio iis ika ikc iki ikk iko iks io- ioa ioc iog ioi ioo ios is- isa isc isg isi isk iso iss iza izi izo izz k-z ka- kaa kac kag kai kak kao kas kaz kca kcc kcg kci kck kcs kga kgc kgi kgo kgs kia kic kig kii kik kio kis kiz kkc kki kkk kks koa koc kog koi kok koo kos koz ksa ksc ksg ksi ksk kso kss kzo o-i oaa oac oag oai oak oao oas oc- oca occ ocg oci ock oco ocs ocz oga ogc ogg ogi ogo ogs oia oic oii oik oio ois oiz oka okc okg oki okk oko oks oo- ooa ooc oog ooi ook ooo oos os- osa osc osg osi osk oso oss oza ozo ozs ozz saa sac sag sai sak sao sas saz sca scc scg sci sck sco scs sga sgc sgg sgi sgk sgo sgs sia sic sig sii sik sio sis sk- ska skc skg ski skk sko sks soa soc sog soi sok soo sos soz ss- ssa ssc ssg ssi ssk sso sss ssz sza szi z-g zaa zac zag zai zak zao zas zaz zco zcs zgg zgi zgs zia zig zik zio zis ziz zka zks zo- zoa zoc zog zoi zok zoo zos zsa zsg zsi zsz zzs zzz