a-a a-i a-z aaa aag aai aak aao aar aas aaz ag- aga agg agi agk ago agr ags agz ai- aia aig aii aik aio air ais aiz aka akg aki akk ako akr aks aoa aog aoi aok aoo aor aos ar- ara arg ari ark aro arr ars arz as- asa asg asi ask aso asr ass asz az- aza azg azi azo azs azz gaa gag gai gak gao gar gas gaz gga ggg ggi ggo ggr ggs ggz gia gig gii gik gio gir gis giz gka gko gks goa gog goi gok goo gor gos goz gra grg gri grk gro grr grs gsa gsg gsi gsk gso gsr gss gza gzo gzr ia- iaa iag iai iao iar ias iaz iga igg igi igk igo igr igs iia iii iio iir iis ika iki ikk iko ikr iks io- ioa iog ioi ioo ior ios ir- ira irg iri irk iro irr irs is- isa isg isi isk iso isr iss iza izi izo izz k-z ka- kaa kag kai kak kao kar kas kaz kga kgi kgo kgs kia kig kii kik kio kir kis kiz kki kkk kkr kks koa kog koi kok koo kor kos koz kra krg kri krk kro krr krs ksa ksg ksi ksk kso ksr kss kzo o-i oaa oag oai oak oao oar oas oga ogg ogi ogo ogs oia oii oik oio oir ois oiz oka okg oki okk oko okr oks oo- ooa oog ooi ook ooo oor oos or- ora org ori ork oro orr ors orz os- osa osg osi osk oso osr oss oza ozo ozs ozz ra- raa rag rai rak rao rar ras raz rga rgg rgi rgk rgo rgr rgs ria rig rii rik rio rir ris riz rkg rkk rko rks rkz roa rog roi rok roo ror ros roz rra rrg rri rrk rrr rrs rsa rsg rsi rsk rso rsr rss rza rzo saa sag sai sak sao sar sas saz sga sgg sgi sgk sgo sgr sgs sia sig sii sik sio sir sis sk- ska skg ski skk sko skr sks soa sog soi sok soo sor sos soz sr- sra srg sri srk sro srr srs ss- ssa ssg ssi ssk sso ssr sss ssz sza szi szr z-g zaa zag zai zak zao zar zas zaz zgg zgi zgs zia zig zik zio zir zis ziz zka zks zo- zoa zog zoi zok zoo zor zos zro zrs zsa zsg zsi zsz zzr zzs zzz