-er -ol ddd dde ddf ddi ddl ddn ddo ddr dds ddx de- ded dee def dei del den deo der des dex dfd dfe dff dfi dfl dfn dfo dfr dfs dfx di- did die dif dii dil din dio dir dis dix dl- dld dle dlf dli dll dlo dlr dls dlx dnd dne dnf dni dnl dnn dno dnr dns dod doe dof doi dol don doo dor dos dox drd dre dri drl drn dro drr drs drx dsd dse dsf dsi dsl dsn dso dsr dss dsx dxd dxi dxl dxn dxo dxr dxs dxx ed- edd ede edf edi edl edn edo edr eds edx eed eee eef eel een eeo eer ees eex ef- efd efe eff efi efl efo efr efs efx eid eie eif eii eil ein eio eir eis eix eld ele elf eli ell eln elo elr els elx en- end ene enf eni enl enn eno enr ens eo- eod eoe eof eoi eol eon eoo eor eos erd ere erf eri erl ern ero err ers es- esd ese esf esi esl esn eso esr ess esx ex- exd exe exi exl exo exr exs exx fdd fde fdf fdi fdl fdn fdo fdr fds fdx fed fee fef fei fel fen feo fer fes fex ffd ffe fff ffi ffl ffn ffo ffr ffs ffx fid fie fif fii fil fin fir fis fix fld fle flf fli fll fln flo flr fls flx fnd fne fnf fni fnl fnn fnr fns fnx foe fof foi fol fon foo for fos fox frd fre frf fri frl frn fro frr frs fsd fse fsf fsi fsl fsn fso fsr fss fsx fxe fxi fxr fxs fxx i-d i-f idd ide idf idi idl idn ido idr ids idx ie- ied iee ief iei iel ien ier ies iex ifd ife iff ifi ifl ifn ifo ifr ifs ifx iid iie iif iii iil iin iio iir iis iix il- ild ile ilf ili ill iln ilo ilr ils ilx in- ind ine inf ini inl inn ino inr ins inx io- iod ioe iof ioi iol ion ioo ior ios ir- ird ire irf iri irl irn iro irr irs irx is- isd ise isf isi isl isn iso isr iss ixe ixi ixl ixn ldd lde ldf ldi ldl ldn ldo ldr lds led lee lef lei lel len leo ler les lex lfd lfe lff lfi lfl lfn lfo lfr lfs lfx lid lie lif lii lil lin lio lir lis lix lld lle llf lli lll lln llo llr lls lnd lne lni lnl lnn lno lnr lns lod loe lof loi lol lon loo lor los lox lrd lrf lri lrn lro lrr lrs lsd lse lsf lsi lsl lsn lso lsr lss lxd lxi lxo lxr lxx n-i ndd nde ndf ndi ndl ndn ndo ndr nds ne- ned nee nef nei nel nen neo ner nes nex nfd nfe nff nfi nfl nfn nfo nfr nfs nid nie nif nii nil nin nio nir nis nix nld nle nlf nli nll nln nlo nlr nls nlx nne nnf nni nnl nnn nno nns no- nod noe nof noi nol non noo nor nos nox nrd nre nrf nri nrl nrn nro nrr nrs nrx nsd nse nsf nsi nsl nsn nso nsr nss nsx nxd nxl o-i odd ode odf odi odl odn odo odr ods oed oee oef oei oel oen oeo oer oes oex of- ofd ofe off ofi ofl ofn ofo ofr ofs ofx oid oie oif oii oil oin oio oir ois old ole olf oli oll oln olo ols on- ond one onf oni onl onn ono onr ons onx oo- ood oof ooi ool oon ooo oor oos oox or- ord ore orf ori orl orn oro orr ors orx os- osd ose osf osi osl osn oso osr oss osx ox- oxf oxi oxn oxo oxx rdd rde rdf rdi rdl rdn rdo rdr rds rdx re- red ree ref rei rel ren reo rer res rex rfd rfe rff rfi rfl rfn rfo rfr rfs rid rie rif rii ril rin rio rir ris rix rld rle rlf rli rll rln rlo rlr rls rnd rni rnn rno rnr rns rod roe rof roi rol ron roo ror ros rox rrd rrf rri rrl rrn rrr rrs rsd rse rsf rsi rsl rsn rso rsr rss rsx rxr rxs sdd sde sdf sdi sdl sdn sdo sdr sds se- sed see sef sei sel sen seo ser ses sex sfd sfe sff sfi sfl sfn sfo sfr sfs sfx sid sie sif sii sil sin sio sir sis six sld sle slf sli sll sln slo slr sls slx snd sne snf sni snl snn sno snr sns sod soe sof soi sol son soo sor sos sox sr- srd sre srf sri srl srn sro srr srs srx ss- ssd sse ssf ssi ssl ssn sso ssr sss ssx sxi sxl sxn sxs xde xdf xdi xdr xds xed xee xel xen xer xes xex xfe xfl xfn xfs xfx xie xii xin xio xis xix xld xlf xli xlr xls xno xns xod xof xoi xon xoo xor xos xox xrd xrf xrx xsi xsl xss xxi xxl xxo xxx