a-a a-i a-z aaa aag aai aao aar aas aaz ag- aga agg agi ago agr ags agz ai- aia aig aii aio air ais aiz aoa aog aoi aoo aor aos ar- ara arg ari aro arr ars arz as- asa asg asi aso asr ass asz az- aza azg azi azo azs azz gaa gag gai gao gar gas gaz gga ggg ggi ggo ggr ggs ggz gia gig gii gio gir gis giz goa gog goi goo gor gos goz gra grg gri gro grr grs gsa gsg gsi gso gsr gss gza gzo gzr ia- iaa iag iai iao iar ias iaz iga igg igi igo igr igs iia iii iio iir iis io- ioa iog ioi ioo ior ios ir- ira irg iri iro irr irs is- isa isg isi iso isr iss iza izi izo izz o-i oaa oag oai oao oar oas oga ogg ogi ogo ogs oia oii oio oir ois oiz oo- ooa oog ooi ooo oor oos or- ora org ori oro orr ors orz os- osa osg osi oso osr oss oza ozo ozs ozz ra- raa rag rai rao rar ras raz rga rgg rgi rgo rgr rgs ria rig rii rio rir ris riz roa rog roi roo ror ros roz rra rrg rri rrr rrs rsa rsg rsi rso rsr rss rza rzo saa sag sai sao sar sas saz sga sgg sgi sgo sgr sgs sia sig sii sio sir sis soa sog soi soo sor sos soz sr- sra srg sri sro srr srs ss- ssa ssg ssi sso ssr sss ssz sza szi szr z-g zaa zag zai zao zar zas zaz zgg zgi zgs zia zig zio zir zis ziz zo- zoa zog zoi zoo zor zos zro zrs zsa zsg zsi zsz zzr zzs zzz