-er -ol ddd dde ddl ddm ddo ddr dds ddx de- ded dee del dem deo der des dex dl- dld dle dll dlm dlo dlr dls dlx dmd dme dml dmm dmo dmr dms dmx dod doe dol dom doo dor dos dox drd dre drl drm dro drr drs drx dsd dse dsl dsm dso dsr dss dsx dxd dxl dxo dxr dxs dxx ed- edd ede edl edm edo edr eds edx eed eee eel eem eeo eer ees eex eld ele ell elm elo elr els elx em- emd eme eml emm emo emr ems emx eo- eod eoe eol eom eoo eor eos erd ere erl erm ero err ers es- esd ese esl esm eso esr ess esx ex- exd exe exl exo exr exs exx ldd lde ldl ldm ldo ldr lds led lee lel lem leo ler les lex lld lle lll llm llo llr lls lmd lme lml lmm lmo lmr lms lod loe lol lom loo lor los lox lrd lrm lro lrr lrs lsd lse lsl lsm lso lsr lss lxd lxo lxr lxx m-o m-r mdd mde mdl mdm mdo mdr mds mdx med mee mel mem meo mer mes mex mld mle mll mlm mlo mlr mls mlx mmd mme mml mmm mmo mmr mms mmx mod moe mol mom moo mor mos mox mrd mre mrl mrm mro mrr mrs mrx msd mse msl msm mso msr mss msx mxd mxl mxr mxs odd ode odl odm odo odr ods oed oee oel oem oeo oer oes oex old ole oll olm olo ols om- omd ome oml omm omo omr oms omx oo- ood ool oom ooo oor oos oox or- ord ore orl orm oro orr ors orx os- osd ose osl osm oso osr oss osx ox- oxo oxx rdd rde rdl rdm rdo rdr rds rdx re- red ree rel rem reo rer res rex rld rle rll rlm rlo rlr rls rmd rme rml rmm rmo rmr rms rmx rod roe rol rom roo ror ros rox rrd rrl rrm rrr rrs rsd rse rsl rsm rso rsr rss rsx rxr rxs sdd sde sdl sdm sdo sdr sds se- sed see sel sem seo ser ses sex sld sle sll slm slo slr sls slx smd sme sml smm smo smr sms smx sod soe sol som soo sor sos sox sr- srd sre srl srm sro srr srs srx ss- ssd sse ssl ssm sso ssr sss ssx sxl sxm sxs xde xdm xdr xds xed xee xel xem xer xes xex xld xlm xlr xls xmd xml xmm xmo xmr xms xmx xod xom xoo xor xos xox xrd xrx xsl xsm xss xxl xxo xxx