-er -up ddd dde ddf ddn ddo ddp ddr ddu de- ded dee def den deo dep der deu dfd dfe dff dfn dfo dfp dfr dfu dnd dne dnf dnn dno dnp dnr dod doe dof don doo dop dor dou dpd dpe dpf dpn dpo dpp dpr dpu drd dre drn dro drp drr dru dud due duf dun duo dup dur ed- edd ede edf edn edo edp edr edu eed eee eef een eeo eep eer ef- efd efe eff efo efp efr en- end ene enf enn eno enp enr enu eo- eod eoe eof eon eoo eop eor eou ep- epd epe epf epn epo epp epr epu erd ere erf ern ero erp err eru eu- eud eue euf eun eup eur fdd fde fdf fdn fdo fdp fdr fdu fed fee fef fen feo fep fer feu ffd ffe fff ffn ffo ffp ffr ffu fnd fne fnf fnn fnp fnr fnu foe fof fon foo fop for fou fpd fpe fpn fpo fpp fpr fpu frd fre frf frn fro frp frr fru fud fue fuf fun fuo fup fur fuu ndd nde ndf ndn ndo ndp ndr ndu ne- ned nee nef nen neo nep ner neu nfd nfe nff nfn nfo nfp nfr nfu nne nnf nnn nno nnp nnu no- nod noe nof non noo nop nor nou npd npe npf npn npo npp npr npu nrd nre nrf nrn nro nrp nrr nru nud nue nun nuo nup nur nuu odd ode odf odn odo odp odr odu oed oee oef oen oeo oep oer of- ofd ofe off ofn ofo ofp ofr ofu on- ond one onf onn ono onp onr onu oo- ood oof oon ooo oop oor op- opd ope opf opn opo opp opr or- ord ore orf orn oro orp orr oru ou- oud oue ouf oun ouo oup our p-p pdd pde pdf pdn pdo pdp pdr pdu ped pee pef pen peo pep per peu pfd pfe pff pfn pfo pfp pfr pfu pn- pnd pne pnf pnn pno pnp pnr pnu pod poe pof pon poo pop por pou ppd ppe ppf ppn ppo ppp ppr ppu prd pre prf prn pro prp prr pru pud pue puf pun pup pur puu rdd rde rdf rdn rdo rdp rdr rdu re- red ree ref ren reo rep rer reu rfd rfe rff rfn rfo rfp rfr rfu rnd rnn rno rnp rnr rnu rod roe rof ron roo rop ror rou rpd rpe rpf rpn rpo rpp rpr rpu rrd rrf rrn rrp rrr rru rud rue ruf run ruo rup rur ruu udd ude udf udn udo udp udr udu ued uee uef uen uep uer ufd ufe uff ufn ufo ufp ufr ufu un- und une unf unn uno unp unr unu uod uoe uon uoo uop uor up- upd upe upf upn upo upp upr upu ur- urd ure urf urn uro urp urr uru uue uun uur uuu