a-a a-i aaa aag aai aao aar aas ag- aga agg agi ago agr ags ai- aia aig aii aio air ais aoa aog aoi aoo aor aos ar- ara arg ari aro arr ars as- asa asg asi aso asr ass gaa gag gai gao gar gas gga ggg ggi ggo ggr ggs gia gig gii gio gir gis goa gog goi goo gor gos gra grg gri gro grr grs gsa gsg gsi gso gsr gss ia- iaa iag iai iao iar ias 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 o-i oaa oag oai oao oar oas oga ogg ogi ogo ogs oia oii oio oir ois oo- ooa oog ooi ooo oor oos or- ora org ori oro orr ors os- osa osg osi oso osr oss ra- raa rag rai rao rar ras rga rgg rgi rgo rgr rgs ria rig rii rio rir ris roa rog roi roo ror ros rra rrg rri rrr rrs rsa rsg rsi rso rsr rss saa sag sai sao sar sas sga sgg sgi sgo sgr sgs sia sig sii sio sir sis soa sog soi soo sor sos sr- sra srg sri sro srr srs ss- ssa ssg ssi sso ssr sss