-er -ol ddd dde ddi ddl ddn ddo ddp ddr ddx de- ded dee dei del den deo dep der dex di- did die dii dil din dio dip dir dix dl- dld dle dli dll dlo dlp dlr dlx dnd dne dni dnl dnn dno dnp dnr dod doe doi dol don doo dop dor dox dpd dpe dpi dpl dpn dpo dpp dpr drd dre dri drl drn dro drp drr drx dxd dxi dxl dxn dxo dxp dxr dxx ed- edd ede edi edl edn edo edp edr edx eed eee eel een eeo eep eer eex eid eie eii eil ein eio eip eir eix eld ele eli ell eln elo elp elr elx en- end ene eni enl enn eno enp enr eo- eod eoe eoi eol eon eoo eop eor ep- epd epe epi epl epn epo epp epr epx erd ere eri erl ern ero erp err ex- exd exe exi exl exo exp exr exx i-d idd ide idi idl idn ido idp idr idx ie- ied iee iei iel ien iep ier iex iid iie iii iil iin iio iip iir iix il- ild ile ili ill iln ilo ilp ilr ilx in- ind ine ini inl inn ino inp inr inx io- iod ioe ioi iol ion ioo iop ior ipd ipe ipi ipl ipn ipo ipp ipr ipx ir- ird ire iri irl irn iro irp irr irx ixe ixi ixl ixn l-p ldd lde ldi ldl ldn ldo ldp ldr led lee lei lel len leo lep ler lex lid lie lii lil lin lio lip lir lix lld lle lli lll lln llo llp llr lnd lne lni lnl lnn lno lnp lnr lod loe loi lol lon loo lop lor lox lpd lpe lpi lpl lpn lpo lpp lpr lpx lrd lri lrn lro lrp lrr lxd lxi lxo lxr lxx n-i ndd nde ndi ndl ndn ndo ndp ndr ne- ned nee nei nel nen neo nep ner nex nid nie nii nil nin nio nip nir nix nld nle nli nll nln nlo nlp nlr nlx nne nni nnl nnn nno nnp no- nod noe noi nol non noo nop nor nox npd npe npi npl npn npo npp npr nrd nre nri nrl nrn nro nrp nrr nrx nxd nxl o-i odd ode odi odl odn odo odp odr oed oee oei oel oen oeo oep oer oex oid oie oii oil oin oio oip oir old ole oli oll oln olo olp on- ond one oni onl onn ono onp onr onx oo- ood ooi ool oon ooo oop oor oox op- opd ope opi opl opn opo opp opr opx or- ord ore ori orl orn oro orp orr orx ox- oxi oxn oxo oxx p-p pdd pde pdi pdl pdn pdo pdp pdr pdx ped pee pei pel pen peo pep per pex pid pie pii pil pin pio pip pir pix pld ple pli pll pln plo plp plr plx pn- pnd pne pni pnl pnn pno pnp pnr pnx pod poe poi pol pon poo pop por pox ppd ppe ppi ppl ppn ppo ppp ppr ppx prd pre pri prl prn pro prp prr prx pxe pxl pxr rdd rde rdi rdl rdn rdo rdp rdr rdx re- red ree rei rel ren reo rep rer rex rid rie rii ril rin rio rip rir rix rld rle rli rll rln rlo rlp rlr rnd rni rnn rno rnp rnr rod roe roi rol ron roo rop ror rox rpd rpe rpi rpl rpn rpo rpp rpr rpx rrd rri rrl rrn rrp rrr rxp rxr xde xdi xdr xed xee xel xen xep xer xex xie xii xin xio xix xld xli xlr xno xod xoi xon xoo xop xor xox xpd xpe xpl xpn xpo xpp xrd xrx xxi xxl xxo xxp xxx