-er ddd dde ddi ddm ddn ddr ddu ddx de- ded dee dei dem den der deu dex di- did die dii dim din dir diu dix dmd dme dmi dmm dmn dmr dmu dmx dnd dne dni dnm dnn dnr drd dre dri drm drn drr dru drx dud due dui dum dun dur dux dxd dxi dxn dxr dxx ed- edd ede edi edm edn edr edu edx eed eee eem een eer eex eid eie eii eim ein eir eiu eix em- emd eme emi emm emn emr emu emx en- end ene eni enm enn enr enu erd ere eri erm ern err eru eu- eud eue eui eun eur eux ex- exd exe exi exr exu exx i-d idd ide idi idm idn idr idu idx ie- ied iee iei iem ien ier iex iid iie iii iim iin iir iiu iix im- imd ime imi imm imn imu imx in- ind ine ini inm inn inr inu inx ir- ird ire iri irm irn irr iru irx iu- iud iue iui ium iur ixe ixi ixn m-r mdd mde mdi mdm mdn mdr mdu mdx med mee mei mem men mer meu mex mi- mid mie mii mim min mir miu mix mmd mme mmi mmm mmn mmr mmu mmx mne mni mnm mnn mnr mnu mrd mre mri mrm mrn mrr mru mrx mud mue mui mum mun mur muu mux mxd mxi mxn mxr mxu n-i ndd nde ndi ndm ndn ndr ndu ne- ned nee nei nem nen ner neu nex nid nie nii nim nin nir niu nix nmd nme nmi nmm nmn nmr nmu nne nni nnm nnn nnu nrd nre nri nrm nrn nrr nru nrx nud nue nui num nun nur nuu nux nxd rdd rde rdi rdm rdn rdr rdu rdx re- red ree rei rem ren rer reu rex rid rie rii rim rin rir rix rmd rme rmi rmm rmn rmr rmx rnd rni rnm rnn rnr rnu rrd rri rrm rrn rrr rru rud rue rui rum run rur ruu rux rxr udd ude udi udm udn udr udu udx ued uee uei uem uen uer uid uie uii uim uin uir uiu um- umd ume umi umm umn umr umu un- und une uni unm unn unr unu unx ur- urd ure uri urm urn urr uru urx uue uum uun uur uuu uxr uxu xde xdi xdm xdr xed xee xem xen xer xeu xex xie xii xin xiu xix xmd xmi xmm xmr xmu xmx xnu xrd xrx xue xui xun xxi xxx