-er ddd dde ddf ddi ddm ddo ddr dds ddu de- ded dee def dei dem deo der des deu dfd dfe dff dfi dfm dfo dfr dfs dfu di- did die dif dii dim dio dir dis diu dmd dme dmf dmi dmm dmo dmr dms dmu dod doe dof doi dom doo dor dos dou drd dre dri drm dro drr drs dru dsd dse dsf dsi dsm dso dsr dss dsu dud due duf dui dum duo dur dus ed- edd ede edf edi edm edo edr eds edu eed eee eef eem eeo eer ees ef- efd efe eff efi efm efo efr efs eid eie eif eii eim eio eir eis eiu em- emd eme emf emi emm emo emr ems emu eo- eod eoe eof eoi eom eoo eor eos eou erd ere erf eri erm ero err ers eru es- esd ese esf esi esm eso esr ess esu eu- eud eue euf eui eur eus fdd fde fdf fdi fdm fdo fdr fds fdu fed fee fef fei fem feo fer fes feu ffd ffe fff ffi ffm ffo ffr ffs ffu fid fie fif fii fim fir fis fiu fmd fme fmf fmi fmm fmo fmr fms fmu foe fof foi fom foo for fos fou frd fre frf fri frm fro frr frs fru fsd fse fsf fsi fsm fso fsr fss fsu fud fue fuf fui fum fuo fur fus fuu i-d i-f idd ide idf idi idm ido idr ids idu ie- ied iee ief iei iem ier ies ifd ife iff ifi ifm ifo ifr ifs ifu iid iie iif iii iim iio iir iis iiu im- imd ime imf imi imm imo ims imu io- iod ioe iof ioi iom ioo ior ios iou ir- ird ire irf iri irm iro irr irs iru is- isd ise isf isi ism iso isr iss isu iu- iud iue iui ium iur ius m-f m-o m-r mdd mde mdf mdi mdm mdo mdr mds mdu med mee mef mei mem meo mer mes meu mfd mfe mff mfi mfm mfo mfr mfs mfu mi- mid mie mif mii mim mio mir mis miu mmd mme mmf mmi mmm mmo mmr mms mmu mod moe mof moi mom moo mor mos mou mrd mre mrf mri mrm mro mrr mrs mru msd mse msf msi msm mso msr mss msu mud mue muf mui mum mur mus muu o-i odd ode odf odi odm odo odr ods odu oed oee oef oei oem oeo oer oes of- ofd ofe off ofi ofm ofo ofr ofs ofu oid oie oif oii oim oio oir ois oiu om- omd ome omf omi omm omo omr oms omu oo- ood oof ooi oom ooo oor oos or- ord ore orf ori orm oro orr ors oru os- osd ose osf osi osm oso osr oss osu ou- oud oue ouf oui oum ouo our ous rdd rde rdf rdi rdm rdo rdr rds rdu re- red ree ref rei rem reo rer res reu rfd rfe rff rfi rfm rfo rfr rfs rfu rid rie rif rii rim rio rir ris rmd rme rmf rmi rmm rmo rmr rms rod roe rof roi rom roo ror ros rou rrd rrf rri rrm rrr rrs rru rsd rse rsf rsi rsm rso rsr rss rsu rud rue ruf rui rum ruo rur rus ruu sdd sde sdf sdi sdm sdo sdr sds sdu se- sed see sef sei sem seo ser ses seu sfd sfe sff sfi sfm sfo sfr sfs sfu sid sie sif sii sim sio sir sis siu smd sme smf smi smm smo smr sms smu sod soe sof soi som soo sor sos sou sr- srd sre srf sri srm sro srr srs ss- ssd sse ssf ssi ssm sso ssr sss ssu sud sue suf sui sum suo sur sus suu udd ude udf udi udm udo udr uds udu ued uee uef uei uem uer ues ufd ufe uff ufi ufm ufo ufr ufs ufu uid uie uif uii uim uio uir uis uiu um- umd ume umf umi umm umo umr ums umu uod uoe uom uoo uor uos ur- urd ure urf uri urm uro urr urs uru usd use usf usi usm uso usr uss usu uue uum uur uus uuu