-er a-a a-i aaa aad aae aag aai aao aap aar aas ad- ada add ade adg adi ado adp adr ads aea aed aee aeg aei aeo aep aer aes ag- aga agd age agg agi ago agp agr ags ai- aia aid aie aig aii aio aip air ais aoa aod aoe aog aoi aoo aop aor aos ap- apa apd ape apg api apo app apr aps ar- ara ard are arg ari aro arp arr ars as- asa asd ase asg asi aso asp asr ass daa dad dae dag dai dao dap dar das dda ddd dde ddg ddi ddo ddp ddr dds de- dea ded dee deg dei deo dep der des dga dgd dge dgg dgi dgp dgr dgs di- dia did die dig dii dio dip dir dis doa dod doe dog doi doo dop dor dos dpa dpd dpe dpg dpi dpo dpp dpr dps dra drd dre drg dri dro drp drr drs dsa dsd dse dsg dsi dso dsp dsr dss eaa ead eae eag eai eao eap ear eas ed- eda edd ede edg edi edo edp edr eds eea eed eee eeg eeo eep eer ees ega egd ege egg egi ego egp egr egs eia eid eie eig eii eio eip eir eis eo- eoa eod eoe eog eoi eoo eop eor eos ep- epa epd epe epg epi epo epp epr eps era erd ere erg eri ero erp err ers es- esa esd ese esg esi eso esp esr ess g-d g-p gaa gad gae gag gai gao gap gar gas gda gdd gde gdi gdo gdp gdr gds ge- gea ged gee geg gei geo gep ger ges gga ggd ggg ggi ggo ggp ggr ggs gia gid gie gig gii gio gip gir gis goa god goe gog goi goo gop gor gos gpa gpd gpe gpg gpi gpo gpp gpr gps gra grd gre grg gri gro grp grr grs gsa gsd gse gsg gsi gso gsp gsr gss i-d ia- iaa iad iae iag iai iao iap iar ias ida idd ide idg idi ido idp idr ids ie- iea ied iee ieg iei iep ier ies iga igd ige igg igi igo igp igr igs iia iid iie iii iio iip iir iis io- ioa iod ioe iog ioi ioo iop ior ios ipa ipd ipe ipg ipi ipo ipp ipr ips ir- ira ird ire irg iri iro irp irr irs is- isa isd ise isg isi iso isp isr iss o-i oaa oad oae oag oai oao oap oar oas oda odd ode odg odi odo odp odr ods oea oed oee oeg oei oeo oep oer oes oga ogd oge ogg ogi ogo ogp ogs oia oid oie oii oio oip oir ois oo- ooa ood oog ooi ooo oop oor oos op- opa opd ope opg opi opo opp opr ops or- ora ord ore org ori oro orp orr ors os- osa osd ose osg osi oso osp osr oss p-p paa pad pae pag pai pao pap par pas pda pdd pde pdg pdi pdo pdp pdr pds pea ped pee peg pei peo pep per pes pga pgd pge pgg pgi pgo pgp pgr pgs pia pid pie pig pii pio pip pir pis poa pod poe pog poi poo pop por pos ppa ppd ppe ppg ppi ppo ppp ppr pps pra prd pre prg pri pro prp prr prs ps- psa psd pse psg psi pso psp psr pss ra- raa rad rae rag rai rao rap rar ras rda rdd rde rdg rdi rdo rdp rdr rds re- rea red ree reg rei reo rep rer res rga rgd rge rgg rgi rgo rgp rgr rgs ria rid rie rig rii rio rip rir ris roa rod roe rog roi roo rop ror ros rpa rpd rpe rpg rpi rpo rpp rpr rps rra rrd rrg rri rrp rrr rrs rsa rsd rse rsg rsi rso rsp rsr rss saa sad sae sag sai sao sap sar sas sda sdd sde sdg sdi sdo sdp sdr sds se- sea sed see seg sei seo sep ser ses sga sgd sge sgg sgi sgo sgp sgr sgs sia sid sie sig sii sio sip sir sis soa sod soe sog soi soo sop sor sos spa spd spe spg spi spo spp spr sps sr- sra srd sre srg sri sro srp srr srs ss- ssa ssd sse ssg ssi sso ssp ssr sss