-er a-a a-i aaa aad aae aag aai aao aar aas ad- ada add ade adg adi ado adr ads aea aed aee aeg aei aeo aer aes ag- aga agd age agg agi ago agr ags ai- aia aid aie aig aii aio air ais aoa aod aoe aog aoi aoo aor aos ar- ara ard are arg ari aro arr ars as- asa asd ase asg asi aso asr ass daa dad dae dag dai dao dar das dda ddd dde ddg ddi ddo ddr dds de- dea ded dee deg dei deo der des dga dgd dge dgg dgi dgr dgs di- dia did die dig dii dio dir dis doa dod doe dog doi doo dor dos dra drd dre drg dri dro drr drs dsa dsd dse dsg dsi dso dsr dss eaa ead eae eag eai eao ear eas ed- eda edd ede edg edi edo edr eds eea eed eee eeg eeo eer ees ega egd ege egg egi ego egr egs eia eid eie eig eii eio eir eis eo- eoa eod eoe eog eoi eoo eor eos era erd ere erg eri ero err ers es- esa esd ese esg esi eso esr ess g-d gaa gad gae gag gai gao gar gas gda gdd gde gdi gdo gdr gds ge- gea ged gee geg gei geo ger ges gga ggd ggg ggi ggo ggr ggs gia gid gie gig gii gio gir gis goa god goe gog goi goo gor gos gra grd gre grg gri gro grr grs gsa gsd gse gsg gsi gso gsr gss i-d ia- iaa iad iae iag iai iao iar ias ida idd ide idg idi ido idr ids ie- iea ied iee ieg iei ier ies iga igd ige igg igi igo igr igs iia iid iie iii iio iir iis io- ioa iod ioe iog ioi ioo ior ios ir- ira ird ire irg iri iro irr irs is- isa isd ise isg isi iso isr iss o-i oaa oad oae oag oai oao oar oas oda odd ode odg odi odo odr ods oea oed oee oeg oei oeo oer oes oga ogd oge ogg ogi ogo ogs oia oid oie oii oio oir ois oo- ooa ood oog ooi ooo oor oos or- ora ord ore org ori oro orr ors os- osa osd ose osg osi oso osr oss ra- raa rad rae rag rai rao rar ras rda rdd rde rdg rdi rdo rdr rds re- rea red ree reg rei reo rer res rga rgd rge rgg rgi rgo rgr rgs ria rid rie rig rii rio rir ris roa rod roe rog roi roo ror ros rra rrd rrg rri rrr rrs rsa rsd rse rsg rsi rso rsr rss saa sad sae sag sai sao sar sas sda sdd sde sdg sdi sdo sdr sds se- sea sed see seg sei seo ser ses sga sgd sge sgg sgi sgo sgr sgs sia sid sie sig sii sio sir sis soa sod soe sog soi soo sor sos sr- sra srd sre srg sri sro srr srs ss- ssa ssd sse ssg ssi sso ssr sss