-er ddd dde ddf ddi ddm ddr dds ddu de- ded dee def dei dem der des deu dfd dfe dff dfi dfm dfr dfs dfu di- did die dif dii dim dir dis diu dmd dme dmf dmi dmm dmr dms dmu drd dre dri drm drr drs dru dsd dse dsf dsi dsm dsr dss dsu dud due duf dui dum dur dus ed- edd ede edf edi edm edr eds edu eed eee eef eem eer ees ef- efd efe eff efi efm efr efs eid eie eif eii eim eir eis eiu em- emd eme emf emi emm emr ems emu erd ere erf eri erm err ers eru es- esd ese esf esi esm esr ess esu eu- eud eue euf eui eur eus fdd fde fdf fdi fdm fdr fds fdu fed fee fef fei fem fer fes feu ffd ffe fff ffi ffm ffr ffs ffu fid fie fif fii fim fir fis fiu fmd fme fmf fmi fmm fmr fms fmu frd fre frf fri frm frr frs fru fsd fse fsf fsi fsm fsr fss fsu fud fue fuf fui fum fur fus fuu i-d i-f idd ide idf idi idm idr ids idu ie- ied iee ief iei iem ier ies ifd ife iff ifi ifm ifr ifs ifu iid iie iif iii iim iir iis iiu im- imd ime imf imi imm ims imu ir- ird ire irf iri irm irr irs iru is- isd ise isf isi ism isr iss isu iu- iud iue iui ium iur ius m-f m-r mdd mde mdf mdi mdm mdr mds mdu med mee mef mei mem mer mes meu mfd mfe mff mfi mfm mfr mfs mfu mi- mid mie mif mii mim mir mis miu mmd mme mmf mmi mmm mmr mms mmu mrd mre mrf mri mrm mrr mrs mru msd mse msf msi msm msr mss msu mud mue muf mui mum mur mus muu rdd rde rdf rdi rdm rdr rds rdu re- red ree ref rei rem rer res reu rfd rfe rff rfi rfm rfr rfs rfu rid rie rif rii rim rir ris rmd rme rmf rmi rmm rmr rms rrd rrf rri rrm rrr rrs rru rsd rse rsf rsi rsm rsr rss rsu rud rue ruf rui rum rur rus ruu sdd sde sdf sdi sdm sdr sds sdu se- sed see sef sei sem ser ses seu sfd sfe sff sfi sfm sfr sfs sfu sid sie sif sii sim sir sis siu smd sme smf smi smm smr sms smu sr- srd sre srf sri srm srr srs ss- ssd sse ssf ssi ssm ssr sss ssu sud sue suf sui sum sur sus suu udd ude udf udi udm udr uds udu ued uee uef uei uem uer ues ufd ufe uff ufi ufm ufr ufs ufu uid uie uif uii uim uir uis uiu um- umd ume umf umi umm umr ums umu ur- urd ure urf uri urm urr urs uru usd use usf usi usm usr uss usu uue uum uur uus uuu