-er ddd dde ddg ddk ddn ddo ddr de- ded dee deg dek den deo der dgd dge dgg dgk dgn dgr dke dkg dkk dko dkr dnd dne dng dnk dnn dno dnr dod doe dog dok don doo dor drd dre drg drk drn dro drr ed- edd ede edg edk edn edo edr eed eee eeg eek een eeo eer egd ege egg egn ego egr ekd eke ekg eko ekr en- end ene eng enk enn eno enr eo- eod eoe eog eok eon eoo eor erd ere erg erk ern ero err g-d gdd gde gdk gdn gdo gdr ge- ged gee geg gek gen geo ger ggd ggg ggn ggo ggr gkd gkn gko gnd gne gnn gno gnr god goe gog gok gon goo gor grd gre grg grk grn gro grr kde kdg kdk kdo kdr ke- ked kee keg kek ken keo ker kgd kgo kke kkk kkn kkr kn- knd kne kng knk knn kno knr kod koe kog kok kon koo kor krd krg krk krn kro krr ndd nde ndg ndk ndn ndo ndr ne- ned nee neg nek nen neo ner ngd nge ngg ngk ngn ngo nke nkk nkn nko nkr nne nng nnk nnn nno no- nod noe nog nok non noo nor nrd nre nrg nrk nrn nro nrr odd ode odg odn odo odr oed oee oeg oen oeo oer ogd oge ogg ogn ogo okd oke okg okk oko okr on- ond one ong onk onn ono onr oo- ood oog ook oon ooo oor or- ord ore org ork orn oro orr rdd rde rdg rdn rdo rdr re- red ree reg rek ren reo rer rgd rge rgg rgk rgn rgo rgr rke rkg rkk rko rnd rng rnn rno rnr rod roe rog rok ron roo ror rrd rrg rrk rrn rrr