a-a a-i aaa aag aai aao aap aar aas ag- aga agg agi ago agp agr ags ai- aia aig aii aio aip air ais aoa aog aoi aoo aop aor aos ap- apa apg api apo app apr aps ar- ara arg ari aro arp arr ars as- asa asg asi aso asp asr ass g-p gaa gag gai gao gap gar gas gga ggg ggi ggo ggp ggr ggs gia gig gii gio gip gir gis goa gog goi goo gop gor gos gpa gpg gpi gpo gpp gpr gps gra grg gri gro grp grr grs gsa gsg gsi gso gsp gsr gss ia- iaa iag iai iao iap iar ias iga igg igi igo igp igr igs iia iii iio iip iir iis io- ioa iog ioi ioo iop ior ios ipa ipg ipi ipo ipp ipr ips ir- ira irg iri iro irp irr irs is- isa isg isi iso isp isr iss o-i oaa oag oai oao oap oar oas oga ogg ogi ogo ogp ogs oia oii oio oip oir ois oo- ooa oog ooi ooo oop oor oos op- opa opg opi opo opp opr ops or- ora org ori oro orp orr ors os- osa osg osi oso osp osr oss p-p paa pag pai pao pap par pas pga pgg pgi pgo pgp pgr pgs pia pig pii pio pip pir pis poa pog poi poo pop por pos ppa ppg ppi ppo ppp ppr pps pra prg pri pro prp prr prs ps- psa psg psi pso psp psr pss ra- raa rag rai rao rap rar ras rga rgg rgi rgo rgp rgr rgs ria rig rii rio rip rir ris roa rog roi roo rop ror ros rpa rpg rpi rpo rpp rpr rps rra rrg rri rrp rrr rrs rsa rsg rsi rso rsp rsr rss saa sag sai sao sap sar sas sga sgg sgi sgo sgp sgr sgs sia sig sii sio sip sir sis soa sog soi soo sop sor sos spa spg spi spo spp spr sps sr- sra srg sri sro srp srr srs ss- ssa ssg ssi sso ssp ssr sss