-er -ol ddd dde ddf ddl ddm ddo ddr ddt de- ded dee def del dem deo der det dfd dfe dff dfl dfm dfo dfr dft dl- dld dle dlf dll dlm dlo dlr dlt dmd dme dmf dml dmm dmo dmr dmt dod doe dof dol dom doo dor dot drd dre drl drm dro drr drt dtd dte dtf dtl dtm dto dtr dtt ed- edd ede edf edl edm edo edr edt eed eee eef eel eem eeo eer eet ef- efd efe eff efl efm efo efr eft eld ele elf ell elm elo elr elt em- emd eme emf eml emm emo emr emt eo- eod eoe eof eol eom eoo eor eot erd ere erf erl erm ero err ert etd ete etf etl etm eto etr ett fdd fde fdf fdl fdm fdo fdr fdt fed fee fef fel fem feo fer fet ffd ffe fff ffl ffm ffo ffr fft fld fle flf fll flm flo flr flt fmd fme fmf fml fmm fmo fmr fmt foe fof fol fom foo for fot frd fre frf frl frm fro frr frt ftd fte ftf ftl ftm fto ftr ftt ldd lde ldf ldl ldm ldo ldr ldt led lee lef lel lem leo ler let lfd lfe lff lfl lfm lfo lfr lft lld lle llf lll llm llo llr llt lmd lme lmf lml lmm lmo lmr lmt lod loe lof lol lom loo lor lot lrd lrf lrm lro lrr lrt ltd lte ltf ltl ltm lto ltr ltt m-f m-o m-r mdd mde mdf mdl mdm mdo mdr mdt med mee mef mel mem meo mer met mfd mfe mff mfl mfm mfo mfr mft mld mle mlf mll mlm mlo mlr mlt mmd mme mmf mml mmm mmo mmr mmt mod moe mof mol mom moo mor mot mrd mre mrf mrl mrm mro mrr mrt mtd mte mtf mtl mtm mto mtr mtt odd ode odf odl odm odo odr odt oed oee oef oel oem oeo oer oet of- ofd ofe off ofl ofm ofo ofr oft old ole olf oll olm olo olt om- omd ome omf oml omm omo omr omt oo- ood oof ool oom ooo oor oot or- ord ore orf orl orm oro orr ort ot- otd ote otf otl otm oto otr ott rdd rde rdf rdl rdm rdo rdr rdt re- red ree ref rel rem reo rer ret rfd rfe rff rfl rfm rfo rfr rft rld rle rlf rll rlm rlo rlr rlt rmd rme rmf rml rmm rmo rmr rmt rod roe rof rol rom roo ror rot rrd rrf rrl rrm rrr rrt rtd rte rtf rtl rtm rto rtr rtt tdd tde tdf tdl tdm tdo tdr tdt te- ted tee tef tel tem teo ter tet tfd tfe tff tfl tfm tfo tfr tft tld tle tlf tll tlm tlo tlr tlt tmd tme tmf tml tmm tmo tmr tmt to- tod toe tof tol tom too tor tot trd tre trf trl trm tro trr trt ttd tte ttf ttl ttm tto ttr ttt