-er -ol ddd dde ddf ddi ddl ddm ddo ddp ddr dds de- ded dee def dei del dem deo dep der des dfd dfe dff dfi dfl dfm dfo dfp dfr dfs di- did die dif dii dil dim dio dip dir dis dl- dld dle dlf dli dll dlm dlo dlp dlr dls dmd dme dmf dmi dml dmm dmo dmp dmr dms dod doe dof doi dol dom doo dop dor dos dpd dpe dpf dpi dpl dpm dpo dpp dpr dps drd dre dri drl drm dro drp drr drs dsd dse dsf dsi dsl dsm dso dsp dsr dss ed- edd ede edf edi edl edm edo edp edr eds eed eee eef eel eem eeo eep eer ees ef- efd efe eff efi efl efm efo efp efr efs eid eie eif eii eil eim eio eip eir eis eld ele elf eli ell elm elo elp elr els em- emd eme emf emi eml emm emo emp emr ems eo- eod eoe eof eoi eol eom eoo eop eor eos ep- epd epe epf epi epl epm epo epp epr eps erd ere erf eri erl erm ero erp err ers es- esd ese esf esi esl esm eso esp esr ess fdd fde fdf fdi fdl fdm fdo fdp fdr fds fed fee fef fei fel fem feo fep fer fes ffd ffe fff ffi ffl ffm ffo ffp ffr ffs fid fie fif fii fil fim fip fir fis fld fle flf fli fll flm flo flp flr fls fmd fme fmf fmi fml fmm fmo fmp fmr fms foe fof foi fol fom foo fop for fos fpd fpe fpi fpl fpm fpo fpp fpr fps frd fre frf fri frl frm fro frp frr frs fsd fse fsf fsi fsl fsm fso fsp fsr fss i-d i-f idd ide idf idi idl idm ido idp idr ids ie- ied iee ief iei iel iem iep ier ies ifd ife iff ifi ifl ifm ifo ifp ifr ifs iid iie iif iii iil iim iio iip iir iis il- ild ile ilf ili ill ilm ilo ilp ilr ils im- imd ime imf imi iml imm imo imp ims io- iod ioe iof ioi iol iom ioo iop ior ios ipd ipe ipf ipi ipl ipm ipo ipp ipr ips ir- ird ire irf iri irl irm iro irp irr irs is- isd ise isf isi isl ism iso isp isr iss l-p ldd lde ldf ldi ldl ldm ldo ldp ldr lds led lee lef lei lel lem leo lep ler les lfd lfe lff lfi lfl lfm lfo lfp lfr lfs lid lie lif lii lil lim lio lip lir lis lld lle llf lli lll llm llo llp llr lls lmd lme lmf lmi lml lmm lmo lmp lmr lms lod loe lof loi lol lom loo lop lor los lpd lpe lpf lpi lpl lpm lpo lpp lpr lps lrd lrf lri lrm lro lrp lrr lrs lsd lse lsf lsi lsl lsm lso lsp lsr lss m-f m-o m-r mdd mde mdf mdi mdl mdm mdo mdp mdr mds med mee mef mei mel mem meo mep mer mes mfd mfe mff mfi mfl mfm mfo mfp mfr mfs mi- mid mie mif mii mil mim mio mip mir mis mld mle mlf mli mll mlm mlo mlp mlr mls mmd mme mmf mmi mml mmm mmo mmp mmr mms mod moe mof moi mol mom moo mop mor mos mpd mpe mpf mpi mpl mpm mpo mpp mpr mps mrd mre mrf mri mrl mrm mro mrp mrr mrs msd mse msf msi msl msm mso msp msr mss o-i odd ode odf odi odl odm odo odp odr ods oed oee oef oei oel oem oeo oep oer oes of- ofd ofe off ofi ofl ofm ofo ofp ofr ofs oid oie oif oii oil oim oio oip oir ois old ole olf oli oll olm olo olp ols om- omd ome omf omi oml omm omo omp omr oms oo- ood oof ooi ool oom ooo oop oor oos op- opd ope opf opi opl opm opo opp opr ops or- ord ore orf ori orl orm oro orp orr ors os- osd ose osf osi osl osm oso osp osr oss p-p pdd pde pdf pdi pdl pdm pdo pdp pdr pds ped pee pef pei pel pem peo pep per pes pfd pfe pff pfi pfl pfm pfo pfp pfr pfs pid pie pif pii pil pim pio pip pir pis pld ple plf pli pll plm plo plp plr pls pmd pme pmf pmi pml pmm pmo pmp pmr pms pod poe pof poi pol pom poo pop por pos ppd ppe ppf ppi ppl ppm ppo ppp ppr pps prd pre prf pri prl prm pro prp prr prs ps- psd pse psf psi psl psm pso psp psr pss rdd rde rdf rdi rdl rdm rdo rdp rdr rds re- red ree ref rei rel rem reo rep rer res rfd rfe rff rfi rfl rfm rfo rfp rfr rfs rid rie rif rii ril rim rio rip rir ris rld rle rlf rli rll rlm rlo rlp rlr rls rmd rme rmf rmi rml rmm rmo rmp rmr rms rod roe rof roi rol rom roo rop ror ros rpd rpe rpf rpi rpl rpm rpo rpp rpr rps rrd rrf rri rrl rrm rrp rrr rrs rsd rse rsf rsi rsl rsm rso rsp rsr rss sdd sde sdf sdi sdl sdm sdo sdp sdr sds se- sed see sef sei sel sem seo sep ser ses sfd sfe sff sfi sfl sfm sfo sfp sfr sfs sid sie sif sii sil sim sio sip sir sis sld sle slf sli sll slm slo slp slr sls smd sme smf smi sml smm smo smp smr sms sod soe sof soi sol som soo sop sor sos spd spe spf spi spl spm spo spp