-er ddd dde ddl ddm ddr ddt de- ded dee del dem der det dl- dld dle dll dlm dlr dlt dmd dme dml dmm dmr dmt drd dre drl drm drr drt dtd dte dtl dtm dtr dtt ed- edd ede edl edm edr edt eed eee eel eem eer eet eld ele ell elm elr elt em- emd eme eml emm emr emt erd ere erl erm err ert etd ete etl etm etr ett ldd lde ldl ldm ldr ldt led lee lel lem ler let lld lle lll llm llr llt lmd lme lml lmm lmr lmt lrd lrm lrr lrt ltd lte ltl ltm ltr ltt m-r mdd mde mdl mdm mdr mdt med mee mel mem mer met mld mle mll mlm mlr mlt mmd mme mml mmm mmr mmt mrd mre mrl mrm mrr mrt mtd mte mtl mtm mtr mtt rdd rde rdl rdm rdr rdt re- red ree rel rem rer ret rld rle rll rlm rlr rlt rmd rme rml rmm rmr rmt rrd rrl rrm rrr rrt rtd rte rtl rtm rtr rtt tdd tde tdl tdm tdr tdt te- ted tee tel tem ter tet tld tle tll tlm tlr tlt tmd tme tml tmm tmr tmt trd tre trl trm trr trt ttd tte ttl ttm ttr ttt