-er -ol ddd dde ddl ddn ddo ddp ddr de- ded dee del den deo dep der dl- dld dle dll dlo dlp dlr dnd dne dnl dnn dno dnp dnr dod doe dol don doo dop dor dpd dpe dpl dpn dpo dpp dpr drd dre drl drn dro drp drr ed- edd ede edl edn edo edp edr eed eee eel een eeo eep eer eld ele ell eln elo elp elr en- end ene enl enn eno enp enr eo- eod eoe eol eon eoo eop eor ep- epd epe epl epn epo epp epr erd ere erl ern ero erp err l-p ldd lde ldl ldn ldo ldp ldr led lee lel len leo lep ler lld lle lll lln llo llp llr lnd lne lnl lnn lno lnp lnr lod loe lol lon loo lop lor lpd lpe lpl lpn lpo lpp lpr lrd lrn lro lrp lrr ndd nde ndl ndn ndo ndp ndr ne- ned nee nel nen neo nep ner nld nle nll nln nlo nlp nlr nne nnl nnn nno nnp no- nod noe nol non noo nop nor npd npe npl npn npo npp npr nrd nre nrl nrn nro nrp nrr odd ode odl odn odo odp odr oed oee oel oen oeo oep oer old ole oll oln olo olp on- ond one onl onn ono onp onr oo- ood ool oon ooo oop oor op- opd ope opl opn opo opp opr or- ord ore orl orn oro orp orr p-p pdd pde pdl pdn pdo pdp pdr ped pee pel pen peo pep per pld ple pll pln plo plp plr pn- pnd pne pnl pnn pno pnp pnr pod poe pol pon poo pop por ppd ppe ppl ppn ppo ppp ppr prd pre prl prn pro prp prr rdd rde rdl rdn rdo rdp rdr re- red ree rel ren reo rep rer rld rle rll rln rlo rlp rlr rnd rnn rno rnp rnr rod roe rol ron roo rop ror rpd rpe rpl rpn rpo rpp rpr rrd rrl rrn rrp rrr