-er a-a aaa aad aae aag aao aar aau ad- ada add ade adg ado adr adu aea aed aee aeg aeo aer aeu ag- aga agd age agg ago agr agu aoa aod aoe aog aoo aor aou ar- ara ard are arg aro arr aru au- aua aud aue aug auo aur daa dad dae dag dao dar dau dda ddd dde ddg ddo ddr ddu de- dea ded dee deg deo der deu dga dgd dge dgg dgr dgu doa dod doe dog doo dor dou dra drd dre drg dro drr dru dua dud due dug duo dur eaa ead eae eag eao ear eau ed- eda edd ede edg edo edr edu eea eed eee eeg eeo eer ega egd ege egg ego egr egu eo- eoa eod eoe eog eoo eor eou era erd ere erg ero err eru eu- eua eud eue eug eur g-d gaa gad gae gag gao gar gau gda gdd gde gdo gdr gdu ge- gea ged gee geg geo ger geu gga ggd ggg ggo ggr ggu goa god goe gog goo gor gou gra grd gre grg gro grr gru gu- gua gud gue gug guo gur guu oaa oad oae oag oao oar oau oda odd ode odg odo odr odu oea oed oee oeg oeo oer oga ogd oge ogg ogo oo- ooa ood oog ooo oor or- ora ord ore org oro orr oru ou- oua oud oue ouo our ra- raa rad rae rag rao rar rau rda rdd rde rdg rdo rdr rdu re- rea red ree reg reo rer reu rga rgd rge rgg rgo rgr roa rod roe rog roo ror rou rra rrd rrg rrr rru rua rud rue rug ruo rur ruu ua- uaa uad uae uag uao uar uau uda udd ude udg udo udr udu uea ued uee ueg uer uga uge ugg ugo ugr ugu uoa uod uoe uog uoo uor ur- ura urd ure urg uro urr uru uua uue uug uur uuu