-er -up ddd dde ddg ddk ddn ddo ddp ddr ddu de- ded dee deg dek den deo dep der deu dgd dge dgg dgk dgn dgp dgr dgu dke dkg dkk dko dkp dkr dku dnd dne dng dnk dnn dno dnp dnr dod doe dog dok don doo dop dor dou dpd dpe dpg dpk dpn dpo dpp dpr dpu drd dre drg drk drn dro drp drr dru dud due dug duk dun duo dup dur ed- edd ede edg edk edn edo edp edr edu eed eee eeg eek een eeo eep eer egd ege egg egn ego egp egr egu ekd eke ekg eko ekp ekr eku en- end ene eng enk enn eno enp enr enu eo- eod eoe eog eok eon eoo eop eor eou ep- epd epe epg epn epo epp epr epu erd ere erg erk ern ero erp err eru eu- eud eue eug eun eup eur g-d g-p gdd gde gdk gdn gdo gdp gdr gdu ge- ged gee geg gek gen geo gep ger geu ggd ggg ggn ggo ggp ggr ggu gkd gkn gko gkp gnd gne gnn gno gnp gnr gnu god goe gog gok gon goo gop gor gou gpd gpe gpg gpk gpn gpo gpp gpr gpu grd gre grg grk grn gro grp grr gru gu- gud gue gug guk gun guo gup gur guu kde kdg kdk kdo kdp kdr kdu ke- ked kee keg kek ken keo kep ker kgd kgo kgp kgu kke kkk kkn kkp kkr kku kn- knd kne kng knk knn kno knp knr knu kod koe kog kok kon koo kop kor kou kpd kpe kpk kpn kpo kpp kpr kpu krd krg krk krn kro krp krr kru kud kue kug kuk kun kup kur kuu ndd nde ndg ndk ndn ndo ndp ndr ndu ne- ned nee neg nek nen neo nep ner neu ngd nge ngg ngk ngn ngo ngp ngu nke nkk nkn nko nkp nkr nku nne nng nnk nnn nno nnp nnu no- nod noe nog nok non noo nop nor nou npd npe npg npn npo npp npr npu nrd nre nrg nrk nrn nro nrp nrr nru nud nue nug nuk nun nuo nup nur nuu odd ode odg odn odo odp odr odu oed oee oeg oen oeo oep oer ogd oge ogg ogn ogo ogp okd oke okg okk oko okp okr oku on- ond one ong onk onn ono onp onr onu oo- ood oog ook oon ooo oop oor op- opd ope opg opk opn opo opp opr or- ord ore org ork orn oro orp orr oru ou- oud oue ouk oun ouo oup our p-p pdd pde pdg pdk pdn pdo pdp pdr pdu ped pee peg pek pen peo pep per peu pgd pge pgg pgk pgn pgo pgp pgr pkd pke pkg pkn pko pkp pkr pku pn- pnd pne png pnk pnn pno pnp pnr pnu pod poe pog pok pon poo pop por pou ppd ppe ppg ppk ppn ppo ppp ppr ppu prd pre prg prk prn pro prp prr pru pud pue pug puk pun pup pur puu rdd rde rdg rdn rdo rdp rdr rdu re- red ree reg rek ren reo rep rer reu rgd rge rgg rgk rgn rgo rgp rgr rke rkg rkk rko rkp rku rnd rng rnn rno rnp rnr rnu rod roe rog rok ron roo rop ror rou rpd rpe rpg rpk rpn rpo rpp rpr rpu rrd rrg rrk rrn rrp rrr rru rud rue rug ruk run ruo rup rur ruu udd ude udg udk udn udo udp udr udu ued uee ueg uen uep uer uge ugg ugk ugn ugo ugp ugr ugu uke ukk ukn ukp ukr uku un- und une ung unk unn uno unp unr unu uod uoe uog uok uon uoo uop uor up- upd upe upg upk upn upo upp upr upu ur- urd ure urg urk urn uro urp urr uru uue uug uun uur uuu