-er a-a a-i aaa aae aag aai aao aap aar aas aea aee aeg aei aeo aep aer aes ag- aga age agg agi ago agp agr ags ai- aia aie aig aii aio aip air ais aoa aoe aog aoi aoo aop aor aos ap- apa ape apg api apo app apr aps ar- ara are arg ari aro arp arr ars as- asa ase asg asi aso asp asr ass eaa eae eag eai eao eap ear eas eea eee eeg eeo eep eer ees ega ege egg egi ego egp egr egs eia eie eig eii eio eip eir eis eo- eoa eoe eog eoi eoo eop eor eos ep- epa epe epg epi epo epp epr eps era ere erg eri ero erp err ers es- esa ese esg esi eso esp esr ess g-p gaa gae gag gai gao gap gar gas ge- gea gee geg gei geo gep ger ges gga ggg ggi ggo ggp ggr ggs gia gie gig gii gio gip gir gis goa goe gog goi goo gop gor gos gpa gpe gpg gpi gpo gpp gpr gps gra gre grg gri gro grp grr grs gsa gse gsg gsi gso gsp gsr gss ia- iaa iae iag iai iao iap iar ias ie- iea iee ieg iei iep ier ies iga ige igg igi igo igp igr igs iia iie iii iio iip iir iis io- ioa ioe iog ioi ioo iop ior ios ipa ipe ipg ipi ipo ipp ipr ips ir- ira ire irg iri iro irp irr irs is- isa ise isg isi iso isp isr iss o-i oaa oae oag oai oao oap oar oas oea oee oeg oei oeo oep oer oes oga oge ogg ogi ogo ogp ogs oia oie oii oio oip oir ois oo- ooa oog ooi ooo oop oor oos op- opa ope opg opi opo opp opr ops or- ora ore org ori oro orp orr ors os- osa ose osg osi oso osp osr oss p-p paa pae pag pai pao pap par pas pea pee peg pei peo pep per pes pga pge pgg pgi pgo pgp pgr pgs pia pie pig pii pio pip pir pis poa poe pog poi poo pop por pos ppa ppe ppg ppi ppo ppp ppr pps pra pre prg pri pro prp prr prs ps- psa pse psg psi pso psp psr pss ra- raa rae rag rai rao rap rar ras re- rea ree reg rei reo rep rer res rga rge rgg rgi rgo rgp rgr rgs ria rie rig rii rio rip rir ris roa roe rog roi roo rop ror ros rpa rpe rpg rpi rpo rpp rpr rps rra rrg rri rrp rrr rrs rsa rse rsg rsi rso rsp rsr rss saa sae sag sai sao sap sar sas se- sea see seg sei seo sep ser ses sga sge sgg sgi sgo sgp sgr sgs sia sie sig sii sio sip sir sis soa soe sog soi soo sop sor sos spa spe spg spi spo spp spr sps sr- sra sre srg sri sro srp srr srs ss- ssa sse ssg ssi sso ssp ssr sss