ddd dde ddf ddk ddn ddo ddp de- ded dee def dek den deo dep dfd dfe dff dfk dfn dfo dfp dke dkk dko dkp dnd dne dnf dnk dnn dno dnp dod doe dof dok don doo dop dpd dpe dpf dpk dpn dpo dpp ed- edd ede edf edk edn edo edp eed eee eef eek een eeo eep ef- efd efe eff efo efp ekd eke ekf eko ekp en- end ene enf enk enn eno enp eo- eod eoe eof eok eon eoo eop ep- epd epe epf epn epo epp fdd fde fdf fdk fdn fdo fdp fed fee fef fek fen feo fep ffd ffe fff ffk ffn ffo ffp fkf fkk fkp fnd fne fnf fnk fnn fnp foe fof fok fon foo fop fpd fpe fpk fpn fpo fpp kde kdf kdk kdo kdp ke- ked kee kef kek ken keo kep kfd kff kfo kke kkk kkn kkp kn- knd kne knf knk knn kno knp kod koe kof kok kon koo kop kpd kpe kpf kpk kpn kpo kpp ndd nde ndf ndk ndn ndo ndp ne- ned nee nef nek nen neo nep nfd nfe nff nfk nfn nfo nfp nke nkf nkk nkn nko nkp nne nnf nnk nnn nno nnp no- nod noe nof nok non noo nop npd npe npf npn npo npp odd ode odf odn odo odp oed oee oef oen oeo oep of- ofd ofe off ofn ofo ofp okd oke okk oko okp on- ond one onf onk onn ono onp oo- ood oof ook oon ooo oop op- opd ope opf opk opn opo opp p-p pdd pde pdf pdk pdn pdo pdp ped pee pef pek pen peo pep pfd pfe pff pfk pfn pfo pfp pkd pke pkf pkn pko pkp pn- pnd pne pnf pnk pnn pno pnp pod poe pof pok pon poo pop ppd ppe ppf ppk ppn ppo ppp