ddd ddf ddg ddk ddn ddo ddr ddu dfd dff dfg dfk dfn dfo dfr dfu dgd dgf dgg dgk dgn dgr dgu dkg dkk dko dkr dku dnd dnf dng dnk dnn dno dnr dod dof dog dok don doo dor dou drd drg drk drn dro drr dru dud duf dug duk dun duo dur fdd fdf fdg fdk fdn fdo fdr fdu ffd fff ffg ffk ffn ffo ffr ffu fgd fgf fgg fgn fgr fkf fkg fkk fnd fnf fng fnk fnn fnr fnu fof fog fok fon foo for fou frd frf frg frk frn fro frr fru fud fuf fug fuk fun fuo fur fuu g-d gdd gdf gdk gdn gdo gdr gdu gfd gff gfk gfo gfr ggd ggg ggn ggo ggr ggu gkd gkn gko gnd gnf gnn gno gnr gnu god gof gog gok gon goo gor gou grd grf grg grk grn gro grr gru gu- gud guf gug guk gun guo gur guu kdf kdg kdk kdo kdr kdu kfd kff kfg kfo kfu kgd kgf kgo kgu kkk kkn kkr kku kn- knd knf kng knk knn kno knr knu kod kof kog kok kon koo kor kou krd krf krg krk krn kro krr kru kud kug kuk kun kur kuu ndd ndf ndg ndk ndn ndo ndr ndu nfd nff nfk nfn nfo nfr nfu ngd ngf ngg ngk ngn ngo ngu nkf nkk nkn nko nkr nku nnf nng nnk nnn nno nnu no- nod nof nog nok non noo nor nou nrd nrf nrg nrk nrn nro nrr nru nud nug nuk nun nuo nur nuu odd odf odg odn odo odr odu of- ofd off ofg ofn ofo ofr ofu ogd ogf ogg ogn ogo okd okg okk oko okr oku on- ond onf ong onk onn ono onr onu oo- ood oof oog ook oon ooo oor or- ord orf org ork orn oro orr oru ou- oud ouf ouk oun ouo our rdd rdf rdg rdn rdo rdr rdu rfd rff rfg rfk rfn rfo rfr rfu rgd rgf rgg rgk rgn rgo rgr rkf rkg rkk rko rku rnd rng rnn rno rnr rnu rod rof rog rok ron roo ror rou rrd rrf rrg rrk rrn rrr rru rud ruf rug ruk run ruo rur ruu udd udf udg udk udn udo udr udu ufd uff ufg ufn ufo ufr ufu ugf ugg ugk ugn ugo ugr ugu ukf ukk ukn ukr uku un- und unf ung unk unn uno unr unu uod uog uok uon uoo uor ur- urd urf urg urk urn uro urr uru uug uun uur uuu