-er ddd dde ddf ddi ddl ddm ddr de- ded dee def dei del dem der dfd dfe dff dfi dfl dfm dfr di- did die dif dii dil dim dir dl- dld dle dlf dli dll dlm dlr dmd dme dmf dmi dml dmm dmr drd dre dri drl drm drr ed- edd ede edf edi edl edm edr eed eee eef eel eem eer ef- efd efe eff efi efl efm efr eid eie eif eii eil eim eir eld ele elf eli ell elm elr em- emd eme emf emi eml emm emr erd ere erf eri erl erm err fdd fde fdf fdi fdl fdm fdr fed fee fef fei fel fem fer ffd ffe fff ffi ffl ffm ffr fid fie fif fii fil fim fir fld fle flf fli fll flm flr fmd fme fmf fmi fml fmm fmr frd fre frf fri frl frm frr i-d i-f idd ide idf idi idl idm idr ie- ied iee ief iei iel iem ier ifd ife iff ifi ifl ifm ifr iid iie iif iii iil iim iir il- ild ile ilf ili ill ilm ilr im- imd ime imf imi iml imm ir- ird ire irf iri irl irm irr ldd lde ldf ldi ldl ldm ldr led lee lef lei lel lem ler lfd lfe lff lfi lfl lfm lfr lid lie lif lii lil lim lir lld lle llf lli lll llm llr lmd lme lmf lmi lml lmm lmr lrd lrf lri lrm lrr m-f m-r mdd mde mdf mdi mdl mdm mdr med mee mef mei mel mem mer mfd mfe mff mfi mfl mfm mfr mi- mid mie mif mii mil mim mir mld mle mlf mli mll mlm mlr mmd mme mmf mmi mml mmm mmr mrd mre mrf mri mrl mrm mrr rdd rde rdf rdi rdl rdm rdr re- red ree ref rei rel rem rer rfd rfe rff rfi rfl rfm rfr rid rie rif rii ril rim rir rld rle rlf rli rll rlm rlr rmd rme rmf rmi rml rmm rmr rrd rrf rri rrl rrm rrr