-er ddd dde ddf ddl ddm ddr dds ddu de- ded dee def del dem der des deu dfd dfe dff dfl dfm dfr dfs dfu dl- dld dle dlf dll dlm dlr dls dlu dmd dme dmf dml dmm dmr dms dmu drd dre drl drm drr drs dru dsd dse dsf dsl dsm dsr dss dsu dud due duf dul dum dur dus ed- edd ede edf edl edm edr eds edu eed eee eef eel eem eer ees ef- efd efe eff efl efm efr efs eld ele elf ell elm elr els elu em- emd eme emf eml emm emr ems emu erd ere erf erl erm err ers eru es- esd ese esf esl esm esr ess esu eu- eud eue euf eul eur eus fdd fde fdf fdl fdm fdr fds fdu fed fee fef fel fem fer fes feu ffd ffe fff ffl ffm ffr ffs ffu fld fle flf fll flm flr fls flu fmd fme fmf fml fmm fmr fms fmu frd fre frf frl frm frr frs fru fsd fse fsf fsl fsm fsr fss fsu fud fue fuf ful fum fur fus fuu ldd lde ldf ldl ldm ldr lds ldu led lee lef lel lem ler les leu lfd lfe lff lfl lfm lfr lfs lfu lld lle llf lll llm llr lls llu lmd lme lmf lml lmm lmr lms lmu lrd lrf lrm lrr lrs lru lsd lse lsf lsl lsm lsr lss lsu lud lue luf lul lum lur lus luu m-f m-r mdd mde mdf mdl mdm mdr mds mdu med mee mef mel mem mer mes meu mfd mfe mff mfl mfm mfr mfs mfu mld mle mlf mll mlm mlr mls mlu mmd mme mmf mml mmm mmr mms mmu mrd mre mrf mrl mrm mrr mrs mru msd mse msf msl msm msr mss msu mud mue muf mul mum mur mus muu rdd rde rdf rdl rdm rdr rds rdu re- red ree ref rel rem rer res reu rfd rfe rff rfl rfm rfr rfs rfu rld rle rlf rll rlm rlr rls rlu rmd rme rmf rml rmm rmr rms rrd rrf rrl rrm rrr rrs rru rsd rse rsf rsl rsm rsr rss rsu rud rue ruf rum rur rus ruu sdd sde sdf sdl sdm sdr sds sdu se- sed see sef sel sem ser ses seu sfd sfe sff sfl sfm sfr sfs sfu sld sle slf sll slm slr sls slu smd sme smf sml smm smr sms smu sr- srd sre srf srl srm srr srs ss- ssd sse ssf ssl ssm ssr sss ssu sud sue suf sul sum sur sus suu udd ude udf udl udm udr uds udu ued uee uef uel uem uer ues ufd ufe uff ufl ufm ufr ufs ufu uld ule ulf ull ulm ulr uls ulu um- umd ume umf uml umm umr ums umu ur- urd ure urf url urm urr urs uru usd use usf usl usm usr uss usu uue uum uur uus uuu