-er -ol ddd dde ddf ddi ddl ddn ddo ddp ddr dds de- ded dee def dei del den deo dep der des dfd dfe dff dfi dfl dfn dfo dfp dfr dfs di- did die dif dii dil din dio dip dir dis dl- dld dle dlf dli dll dlo dlp dlr dls dnd dne dnf dni dnl dnn dno dnp dnr dns dod doe dof doi dol don doo dop dor dos dpd dpe dpf dpi dpl dpn dpo dpp dpr dps drd dre dri drl drn dro drp drr drs dsd dse dsf dsi dsl dsn dso dsp dsr dss ed- edd ede edf edi edl edn edo edp edr eds eed eee eef eel een eeo eep eer ees ef- efd efe eff efi efl efo efp efr efs eid eie eif eii eil ein eio eip eir eis eld ele elf eli ell eln elo elp elr els en- end ene enf eni enl enn eno enp enr ens eo- eod eoe eof eoi eol eon eoo eop eor eos ep- epd epe epf epi epl epn epo epp epr eps erd ere erf eri erl ern ero erp err ers es- esd ese esf esi esl esn eso esp esr ess fdd fde fdf fdi fdl fdn fdo fdp fdr fds fed fee fef fei fel fen feo fep fer fes ffd ffe fff ffi ffl ffn ffo ffp ffr ffs fid fie fif fii fil fin fip fir fis fld fle flf fli fll fln flo flp flr fls fnd fne fnf fni fnl fnn fnp fnr fns foe fof foi fol fon foo fop for fos fpd fpe fpi fpl fpn fpo fpp fpr fps frd fre frf fri frl frn fro frp frr frs fsd fse fsf fsi fsl fsn fso fsp fsr fss i-d i-f idd ide idf idi idl idn ido idp idr ids ie- ied iee ief iei iel ien iep ier ies ifd ife iff ifi ifl ifn ifo ifp ifr ifs iid iie iif iii iil iin iio iip iir iis il- ild ile ilf ili ill iln ilo ilp ilr ils in- ind ine inf ini inl inn ino inp inr ins io- iod ioe iof ioi iol ion ioo iop ior ios ipd ipe ipf ipi ipl ipn ipo ipp ipr ips ir- ird ire irf iri irl irn iro irp irr irs is- isd ise isf isi isl isn iso isp isr iss l-p ldd lde ldf ldi ldl ldn ldo ldp ldr lds led lee lef lei lel len leo lep ler les lfd lfe lff lfi lfl lfn lfo lfp lfr lfs lid lie lif lii lil lin lio lip lir lis lld lle llf lli lll lln llo llp llr lls lnd lne lni lnl lnn lno lnp lnr lns lod loe lof loi lol lon loo lop lor los lpd lpe lpf lpi lpl lpn lpo lpp lpr lps lrd lrf lri lrn lro lrp lrr lrs lsd lse lsf lsi lsl lsn lso lsp lsr lss n-i ndd nde ndf ndi ndl ndn ndo ndp ndr nds ne- ned nee nef nei nel nen neo nep ner nes nfd nfe nff nfi nfl nfn nfo nfp nfr nfs nid nie nif nii nil nin nio nip nir nis nld nle nlf nli nll nln nlo nlp nlr nls nne nnf nni nnl nnn nno nnp nns no- nod noe nof noi nol non noo nop nor nos npd npe npf npi npl npn npo npp npr nps nrd nre nrf nri nrl nrn nro nrp nrr nrs nsd nse nsf nsi nsl nsn nso nsp nsr nss o-i odd ode odf odi odl odn odo odp odr ods oed oee oef oei oel oen oeo oep oer oes of- ofd ofe off ofi ofl ofn ofo ofp ofr ofs oid oie oif oii oil oin oio oip oir ois old ole olf oli oll oln olo olp ols on- ond one onf oni onl onn ono onp onr ons oo- ood oof ooi ool oon ooo oop oor oos op- opd ope opf opi opl opn opo opp opr ops or- ord ore orf ori orl orn oro orp orr ors os- osd ose osf osi osl osn oso osp osr oss p-p pdd pde pdf pdi pdl pdn pdo pdp pdr pds ped pee pef pei pel pen peo pep per pes pfd pfe pff pfi pfl pfn pfo pfp pfr pfs pid pie pif pii pil pin pio pip pir pis pld ple plf pli pll pln plo plp plr pls pn- pnd pne pnf pni pnl pnn pno pnp pnr pns pod poe pof poi pol pon poo pop por pos ppd ppe ppf ppi ppl ppn ppo ppp ppr pps prd pre prf pri prl prn pro prp prr prs ps- psd pse psf psi psl psn pso psp psr pss rdd rde rdf rdi rdl rdn rdo rdp rdr rds re- red ree ref rei rel ren reo rep rer res rfd rfe rff rfi rfl rfn rfo rfp rfr rfs rid rie rif rii ril rin rio rip rir ris rld rle rlf rli rll rln rlo rlp rlr rls rnd rni rnn rno rnp rnr rns rod roe rof roi rol ron roo rop ror ros rpd rpe rpf rpi rpl rpn rpo rpp rpr rps rrd rrf rri rrl rrn rrp rrr rrs rsd rse rsf rsi rsl rsn rso rsp rsr rss sdd sde sdf sdi sdl sdn sdo sdp sdr sds se- sed see sef sei sel sen seo sep ser ses sfd sfe sff sfi sfl sfn sfo sfp sfr sfs sid sie sif sii sil sin sio sip sir sis sld sle slf sli sll sln slo slp slr sls snd sne snf sni snl snn sno snp snr sns sod soe sof soi sol son soo sop sor sos spd spe spf spi spl spn spo spp spr sps sr- srd sre srf sri srl