-er ddd dde ddg ddk ddo ddr ddu ddw de- ded dee deg dek deo der deu dew dgd dge dgg dgk dgr dgu dgw dke dkg dkk dko dkr dku dkw dod doe dog dok doo dor dou dow drd dre drg drk dro drr dru drw dud due dug duk duo dur dwe dwg dwo dwr dwu dww ed- edd ede edg edk edo edr edu edw eed eee eeg eek eeo eer eew egd ege egg ego egr egu egw ekd eke ekg eko ekr eku eo- eod eoe eog eok eoo eor eou eow erd ere erg erk ero err eru erw eu- eud eue eug eur ewd ewe ewk ewo ewr ewu eww g-d gdd gde gdk gdo gdr gdu gdw ge- ged gee geg gek geo ger geu gew ggd ggg ggo ggr ggu ggw gkd gko god goe gog gok goo gor gou gow grd gre grg grk gro grr gru grw gu- gud gue gug guk guo gur guu gwd gwe gwg gwk gwr gwu kde kdg kdk kdo kdr kdu ke- ked kee keg kek keo ker kew kgd kgo kgu kgw kke kkk kkr kku kod koe kog kok koo kor kou kow krd krg krk kro krr kru krw kud kue kug kuk kur kuu kw- kwd kwg kwk kwo kww odd ode odg odo odr odu oed oee oeg oeo oer ogd oge ogg ogo okd oke okg okk oko okr oku okw oo- ood oog ook ooo oor oow or- ord ore org ork oro orr oru ou- oud oue ouk ouo our owd owe owk owo owu oww rdd rde rdg rdo rdr rdu re- red ree reg rek reo rer reu rew rgd rge rgg rgk rgo rgr rgw rke rkg rkk rko rku rod roe rog rok roo ror rou row rrd rrg rrk rrr rru rud rue rug ruk ruo rur ruu rwd rwe rwr rwu udd ude udg udk udo udr udu ued uee ueg uer uew uge ugg ugk ugo ugr ugu uke ukk ukr uku uod uoe uog uok uoo uor uow ur- urd ure urg urk uro urr uru urw uue uug uur uuu uwe uwg uwr uww wdg wdr wdu wed wee weg wek weo wer wew wgo wgr wgw wkd wke wkg wko wkr wkw wod woe wog wok woo wor wou wow wr- wrd wre wrg wrk wro wrr wru wrw wud wue wug wuo wur wwd wwe wwo wwu www