-er -ol ddd dde ddl ddm ddo ddr dds ddt de- ded dee del dem deo der des det dl- dld dle dll dlm dlo dlr dls dlt dmd dme dml dmm dmo dmr dms dmt dod doe dol dom doo dor dos dot drd dre drl drm dro drr drs drt dsd dse dsl dsm dso dsr dss dst dtd dte dtl dtm dto dtr dts dtt ed- edd ede edl edm edo edr eds edt eed eee eel eem eeo eer ees eet eld ele ell elm elo elr els elt em- emd eme eml emm emo emr ems emt eo- eod eoe eol eom eoo eor eos eot erd ere erl erm ero err ers ert es- esd ese esl esm eso esr ess est etd ete etl etm eto etr ets ett ldd lde ldl ldm ldo ldr lds ldt led lee lel lem leo ler les let lld lle lll llm llo llr lls llt lmd lme lml lmm lmo lmr lms lmt lod loe lol lom loo lor los lot lrd lrm lro lrr lrs lrt lsd lse lsl lsm lso lsr lss lst ltd lte ltl ltm lto ltr lts ltt m-o m-r mdd mde mdl mdm mdo mdr mds mdt med mee mel mem meo mer mes met mld mle mll mlm mlo mlr mls mlt mmd mme mml mmm mmo mmr mms mmt mod moe mol mom moo mor mos mot mrd mre mrl mrm mro mrr mrs mrt msd mse msl msm mso msr mss mst mtd mte mtl mtm mto mtr mts mtt odd ode odl odm odo odr ods odt oed oee oel oem oeo oer oes oet old ole oll olm olo ols olt om- omd ome oml omm omo omr oms omt oo- ood ool oom ooo oor oos oot or- ord ore orl orm oro orr ors ort os- osd ose osl osm oso osr oss ost ot- otd ote otl otm oto otr ots ott rdd rde rdl rdm rdo rdr rds rdt re- red ree rel rem reo rer res ret rld rle rll rlm rlo rlr rls rlt rmd rme rml rmm rmo rmr rms rmt rod roe rol rom roo ror ros rot rrd rrl rrm rrr rrs rrt rsd rse rsl rsm rso rsr rss rst rtd rte rtl rtm rto rtr rts rtt sdd sde sdl sdm sdo sdr sds sdt se- sed see sel sem seo ser ses set sld sle sll slm slo slr sls slt smd sme sml smm smo smr sms smt sod soe sol som soo sor sos sot sr- srd sre srl srm sro srr srs srt ss- ssd sse ssl ssm sso ssr sss sst std ste stl stm sto str sts stt tdd tde tdl tdm tdo tdr tds tdt te- ted tee tel tem teo ter tes tet tld tle tll tlm tlo tlr tls tlt tmd tme tml tmm tmo tmr tms tmt to- tod toe tol tom too tor tos tot trd tre trl trm tro trr trs trt tsd tse tsl tsm tso tsr tss tst ttd tte ttl ttm tto ttr tts ttt