-er a-a aaa aad aae aag aak aao aar aau ad- ada add ade adg adk ado adr adu aea aed aee aeg aek aeo aer aeu ag- aga agd age agg agk ago agr agu aka akd ake akg akk ako akr aku aoa aod aoe aog aok aoo aor aou ar- ara ard are arg ark aro arr aru au- aua aud aue aug auk auo aur daa dad dae dag dak dao dar dau dda ddd dde ddg ddk ddo ddr ddu de- dea ded dee deg dek deo der deu dga dgd dge dgg dgk dgr dgu dka dke dkg dkk dko dkr dku doa dod doe dog dok doo dor dou dra drd dre drg drk dro drr dru dua dud due dug duk duo dur eaa ead eae eag eak eao ear eau ed- eda edd ede edg edk edo edr edu eea eed eee eeg eek eeo eer ega egd ege egg ego egr egu eka ekd eke ekg eko ekr eku eo- eoa eod eoe eog eok eoo eor eou era erd ere erg erk ero err eru eu- eua eud eue eug eur g-d gaa gad gae gag gak gao gar gau gda gdd gde gdk gdo gdr gdu ge- gea ged gee geg gek geo ger geu gga ggd ggg ggo ggr ggu gka gkd gko goa god goe gog gok goo gor gou gra grd gre grg grk gro grr gru gu- gua gud gue gug guk guo gur guu ka- kaa kad kae kag kak kao kar kau kda kde kdg kdk kdo kdr kdu ke- kea ked kee keg kek keo ker kga kgd kgo kgu kke kkk kkr kku koa kod koe kog kok koo kor kou kra krd krg krk kro krr kru kud kue kug kuk kur kuu oaa oad oae oag oak oao oar oau oda odd ode odg odo odr odu oea oed oee oeg oeo oer oga ogd oge ogg ogo oka okd oke okg okk oko okr oku oo- ooa ood oog ook ooo oor or- ora ord ore org ork oro orr oru ou- oua oud oue ouk ouo our ra- raa rad rae rag rak rao rar rau rda rdd rde rdg rdo rdr rdu re- rea red ree reg rek reo rer reu rga rgd rge rgg rgk rgo rgr rke rkg rkk rko rku roa rod roe rog rok roo ror rou rra rrd rrg rrk rrr rru rua rud rue rug ruk ruo rur ruu ua- uaa uad uae uag uak uao uar uau uda udd ude udg udk udo udr udu uea ued uee ueg uer uga uge ugg ugk ugo ugr ugu uka uke ukk ukr uku uoa uod uoe uog uok uoo uor ur- ura urd ure urg urk uro urr uru uua uue uug uur uuu