-er -ol ddd dde ddf ddi ddl ddn ddo ddp ddr dds ddt de- ded dee def dei del den deo dep der des det dfd dfe dff dfi dfl dfn dfo dfp dfr dfs dft di- did die dif dii dil din dio dip dir dis dit dl- dld dle dlf dli dll dlo dlp dlr dls dlt dnd dne dnf dni dnl dnn dno dnp dnr dns dnt dod doe dof doi dol don doo dop dor dos dot dpd dpe dpf dpi dpl dpn dpo dpp dpr dps dpt drd dre dri drl drn dro drp drr drs drt dsd dse dsf dsi dsl dsn dso dsp dsr dss dst dtd dte dtf dti dtl dtn dto dtp dtr dts dtt ed- edd ede edf edi edl edn edo edp edr eds edt eed eee eef eel een eeo eep eer ees eet ef- efd efe eff efi efl efo efp efr efs eft eid eie eif eii eil ein eio eip eir eis eit eld ele elf eli ell eln elo elp elr els elt en- end ene enf eni enl enn eno enp enr ens ent eo- eod eoe eof eoi eol eon eoo eop eor eos eot ep- epd epe epf epi epl epn epo epp epr eps ept erd ere erf eri erl ern ero erp err ers ert es- esd ese esf esi esl esn eso esp esr ess est etd ete etf eti etl etn eto etp etr ets ett fdd fde fdf fdi fdl fdn fdo fdp fdr fds fdt fed fee fef fei fel fen feo fep fer fes fet ffd ffe fff ffi ffl ffn ffo ffp ffr ffs fft fid fie fif fii fil fin fip fir fis fit fld fle flf fli fll fln flo flp flr fls flt fnd fne fnf fni fnl fnn fnp fnr fns fnt foe fof foi fol fon foo fop for fos fot fpd fpe fpi fpl fpn fpo fpp fpr fps fpt frd fre frf fri frl frn fro frp frr frs frt fsd fse fsf fsi fsl fsn fso fsp fsr fss fst ftd fte ftf fti ftl ftn fto ftp ftr fts ftt i-d i-f idd ide idf idi idl idn ido idp idr ids idt ie- ied iee ief iei iel ien iep ier ies iet ifd ife iff ifi ifl ifn ifo ifp ifr ifs ift iid iie iif iii iil iin iio iip iir iis iit il- ild ile ilf ili ill iln ilo ilp ilr ils ilt in- ind ine inf ini inl inn ino inp inr ins int io- iod ioe iof ioi iol ion ioo iop ior ios iot ipd ipe ipf ipi ipl ipn ipo ipp ipr ips ipt ir- ird ire irf iri irl irn iro irp irr irs irt is- isd ise isf isi isl isn iso isp isr iss ist itd ite itf iti itl itn ito itp its itt l-p ldd lde ldf ldi ldl ldn ldo ldp ldr lds ldt led lee lef lei lel len leo lep ler les let lfd lfe lff lfi lfl lfn lfo lfp lfr lfs lft lid lie lif lii lil lin lio lip lir lis lit lld lle llf lli lll lln llo llp llr lls llt lnd lne lni lnl lnn lno lnp lnr lns lnt lod loe lof loi lol lon loo lop lor los lot lpd lpe lpf lpi lpl lpn lpo lpp lpr lps lpt lrd lrf lri lrn lro lrp lrr lrs lrt lsd lse lsf lsi lsl lsn lso lsp lsr lss lst ltd lte ltf lti ltl lto ltp ltr lts ltt n-i ndd nde ndf ndi ndl ndn ndo ndp ndr nds ndt ne- ned nee nef nei nel nen neo nep ner nes net nfd nfe nff nfi nfl nfn nfo nfp nfr nfs nft nid nie nif nii nil nin nio nip nir nis nit nld nle nlf nli nll nln nlo nlp nlr nls nlt nne nnf nni nnl nnn nno nnp nns nnt no- nod noe nof noi nol non noo nop nor nos not npd npe npf npi npl npn npo npp npr nps npt nrd nre nrf nri nrl nrn nro nrp nrr nrs nrt nsd nse nsf nsi nsl nsn nso nsp nsr nss nst ntd nte ntf nti ntn nto ntp ntr nts ntt o-i odd ode odf odi odl odn odo odp odr ods odt oed oee oef oei oel oen oeo oep oer oes oet of- ofd ofe off ofi ofl ofn ofo ofp ofr ofs oft oid oie oif oii oil oin oio oip oir ois oit old ole olf oli oll oln olo olp ols olt on- ond one onf oni onl onn ono onp onr ons ont oo- ood oof ooi ool oon ooo oop oor oos oot op- opd ope opf opi opl opn opo opp opr ops opt or- ord ore orf ori orl orn oro orp orr ors ort os- osd ose osf osi osl osn oso osp osr oss ost ot- otd ote otf oti otl otn oto otp otr ots ott p-p pdd pde pdf pdi pdl pdn pdo pdp pdr pds pdt ped pee pef pei pel pen peo pep per pes pet pfd pfe pff pfi pfl pfn pfo pfp pfr pfs pft pid pie pif pii pil pin pio pip pir pis pit pld ple plf pli pll pln plo plp plr pls plt pn- pnd pne pnf pni pnl pnn pno pnp pnr pns pnt pod poe pof poi pol pon poo pop por pos pot ppd ppe ppf ppi ppl ppn ppo ppp ppr pps ppt prd pre prf pri prl prn pro prp prr prs prt ps- psd pse psf psi psl psn pso psp psr pss pst pt- ptd pte ptf pti ptl ptn pto ptp ptr pts ptt rdd rde rdf rdi rdl rdn rdo rdp rdr rds rdt re- red ree ref rei