-er ddd dde ddf ddi ddm ddo ddr ddu ddx de- ded dee def dei dem deo der deu dex dfd dfe dff dfi dfm dfo dfr dfu dfx di- did die dif dii dim dio dir diu dix dmd dme dmf dmi dmm dmo dmr dmu dmx dod doe dof doi dom doo dor dou dox drd dre dri drm dro drr dru drx dud due duf dui dum duo dur dux dxd dxi dxo dxr dxx ed- edd ede edf edi edm edo edr edu edx eed eee eef eem eeo eer eex ef- efd efe eff efi efm efo efr efx eid eie eif eii eim eio eir eiu eix em- emd eme emf emi emm emo emr emu emx eo- eod eoe eof eoi eom eoo eor eou erd ere erf eri erm ero err eru eu- eud eue euf eui eur eux ex- exd exe exi exo exr exu exx fdd fde fdf fdi fdm fdo fdr fdu fdx fed fee fef fei fem feo fer feu fex ffd ffe fff ffi ffm ffo ffr ffu ffx fid fie fif fii fim fir fiu fix fmd fme fmf fmi fmm fmo fmr fmu fmx foe fof foi fom foo for fou fox frd fre frf fri frm fro frr fru fud fue fuf fui fum fuo fur fuu fux fxe fxi fxm fxr fxu fxx i-d i-f idd ide idf idi idm ido idr idu idx ie- ied iee ief iei iem ier iex ifd ife iff ifi ifm ifo ifr ifu ifx iid iie iif iii iim iio iir iiu iix im- imd ime imf imi imm imo imu imx io- iod ioe iof ioi iom ioo ior iou ir- ird ire irf iri irm iro irr iru irx iu- iud iue iui ium iur ixe ixi m-f m-o m-r mdd mde mdf mdi mdm mdo mdr mdu mdx med mee mef mei mem meo mer meu mex mfd mfe mff mfi mfm mfo mfr mfu mi- mid mie mif mii mim mio mir miu mix mmd mme mmf mmi mmm mmo mmr mmu mmx mod moe mof moi mom moo mor mou mox mrd mre mrf mri mrm mro mrr mru mrx mud mue muf mui mum mur muu mux mxd mxi mxr mxu o-i odd ode odf odi odm odo odr odu oed oee oef oei oem oeo oer oex of- ofd ofe off ofi ofm ofo ofr ofu ofx oid oie oif oii oim oio oir oiu om- omd ome omf omi omm omo omr omu omx oo- ood oof ooi oom ooo oor oox or- ord ore orf ori orm oro orr oru orx ou- oud oue ouf oui oum ouo our ox- oxf oxi oxo oxx rdd rde rdf rdi rdm rdo rdr rdu rdx re- red ree ref rei rem reo rer reu rex rfd rfe rff rfi rfm rfo rfr rfu rid rie rif rii rim rio rir rix rmd rme rmf rmi rmm rmo rmr rmx rod roe rof roi rom roo ror rou rox rrd rrf rri rrm rrr rru rud rue ruf rui rum ruo rur ruu rux rxr udd ude udf udi udm udo udr udu udx ued uee uef uei uem uer ufd ufe uff ufi ufm ufo ufr ufu ufx uid uie uif uii uim uio uir uiu um- umd ume umf umi umm umo umr umu uod uoe uom uoo uor uox ur- urd ure urf uri urm uro urr uru urx uue uum uur uuu uxf uxo uxr uxu xde xdf xdi xdm xdr xed xee xem xer xeu xex xfe xfm xfx xie xii xio xiu xix xmd xmf xmi xmm xmo xmr xmu xmx xod xof xoi xom xoo xor xox xrd xrf xrx xue xui xxi xxo xxx