-er -ol ddd dde ddl ddm ddo ddr dds ddu de- ded dee del dem deo der des deu dl- dld dle dll dlm dlo dlr dls dlu dmd dme dml dmm dmo dmr dms dmu dod doe dol dom doo dor dos dou drd dre drl drm dro drr drs dru dsd dse dsl dsm dso dsr dss dsu dud due dul dum duo dur dus ed- edd ede edl edm edo edr eds edu eed eee eel eem eeo eer ees eld ele ell elm elo elr els elu em- emd eme eml emm emo emr ems emu eo- eod eoe eol eom eoo eor eos eou erd ere erl erm ero err ers eru es- esd ese esl esm eso esr ess esu eu- eud eue eul eur eus ldd lde ldl ldm ldo ldr lds ldu led lee lel lem leo ler les leu lld lle lll llm llo llr lls llu lmd lme lml lmm lmo lmr lms lmu lod loe lol lom loo lor los lou lrd lrm lro lrr lrs lru lsd lse lsl lsm lso lsr lss lsu lud lue lul lum luo lur lus luu m-o m-r mdd mde mdl mdm mdo mdr mds mdu med mee mel mem meo mer mes meu mld mle mll mlm mlo mlr mls mlu mmd mme mml mmm mmo mmr mms mmu mod moe mol mom moo mor mos mou mrd mre mrl mrm mro mrr mrs mru msd mse msl msm mso msr mss msu mud mue mul mum mur mus muu odd ode odl odm odo odr ods odu oed oee oel oem oeo oer oes old ole oll olm olo ols olu om- omd ome oml omm omo omr oms omu oo- ood ool oom ooo oor oos or- ord ore orl orm oro orr ors oru os- osd ose osl osm oso osr oss osu ou- oud oue oul oum ouo our ous rdd rde rdl rdm rdo rdr rds rdu re- red ree rel rem reo rer res reu rld rle rll rlm rlo rlr rls rlu rmd rme rml rmm rmo rmr rms rod roe rol rom roo ror ros rou rrd rrl rrm rrr rrs rru rsd rse rsl rsm rso rsr rss rsu rud rue rum ruo rur rus ruu sdd sde sdl sdm sdo sdr sds sdu se- sed see sel sem seo ser ses seu sld sle sll slm slo slr sls slu smd sme sml smm smo smr sms smu sod soe sol som soo sor sos sou sr- srd sre srl srm sro srr srs ss- ssd sse ssl ssm sso ssr sss ssu sud sue sul sum suo sur sus suu udd ude udl udm udo udr uds udu ued uee uel uem uer ues uld ule ull ulm ulo ulr uls ulu um- umd ume uml umm umo umr ums umu uod uoe uol uom uoo uor uos ur- urd ure url urm uro urr urs uru usd use usl usm uso usr uss usu uue uum uur uus uuu