-er -ol -up ddd dde ddl ddn ddo ddp ddr ddu de- ded dee del den deo dep der deu dl- dld dle dll dlo dlp dlr dlu dnd dne dnl dnn dno dnp dnr dod doe dol don doo dop dor dou dpd dpe dpl dpn dpo dpp dpr dpu drd dre drl drn dro drp drr dru dud due dul dun duo dup dur ed- edd ede edl edn edo edp edr edu eed eee eel een eeo eep eer eld ele ell eln elo elp elr elu en- end ene enl enn eno enp enr enu eo- eod eoe eol eon eoo eop eor eou ep- epd epe epl epn epo epp epr epu erd ere erl ern ero erp err eru eu- eud eue eul eun eup eur l-p ldd lde ldl ldn ldo ldp ldr ldu led lee lel len leo lep ler leu lld lle lll lln llo llp llr llu lnd lne lnl lnn lno lnp lnr lnu lod loe lol lon loo lop lor lou lpd lpe lpl lpn lpo lpp lpr lpu lrd lrn lro lrp lrr lru lud lue lul lun luo lup lur luu ndd nde ndl ndn ndo ndp ndr ndu ne- ned nee nel nen neo nep ner neu nld nle nll nln nlo nlp nlr nlu nne nnl nnn nno nnp nnu no- nod noe nol non noo nop nor nou npd npe npl npn npo npp npr npu nrd nre nrl nrn nro nrp nrr nru nud nue nul nun nuo nup nur nuu odd ode odl odn odo odp odr odu oed oee oel oen oeo oep oer old ole oll oln olo olp olu on- ond one onl onn ono onp onr onu oo- ood ool oon ooo oop oor op- opd ope opl opn opo opp opr or- ord ore orl orn oro orp orr oru ou- oud oue oul oun ouo oup our p-p pdd pde pdl pdn pdo pdp pdr pdu ped pee pel pen peo pep per peu pld ple pll pln plo plp plr plu pn- pnd pne pnl pnn pno pnp pnr pnu pod poe pol pon poo pop por pou ppd ppe ppl ppn ppo ppp ppr ppu prd pre prl prn pro prp prr pru pud pue pul pun pup pur puu rdd rde rdl rdn rdo rdp rdr rdu re- red ree rel ren reo rep rer reu rld rle rll rln rlo rlp rlr rlu rnd rnn rno rnp rnr rnu rod roe rol ron roo rop ror rou rpd rpe rpl rpn rpo rpp rpr rpu rrd rrl rrn rrp rrr rru rud rue run ruo rup rur ruu udd ude udl udn udo udp udr udu ued uee uel uen uep uer uld ule ull uln ulo ulp ulr ulu un- und une unl unn uno unp unr unu uod uoe uol uon uoo uop uor up- upd upe upn upo upp upr upu ur- urd ure url urn uro urp urr uru uue uun uur uuu