-er ddd dde ddi ddm ddr ddt ddx ddz de- ded dee dei dem der det dex dez di- did die dii dim dir dit dix diz dmd dme dmi dmm dmr dmt dmx dmz drd dre dri drm drr drt drx drz dtd dte dti dtm dtr dtt dtx dtz dxd dxi dxr dxt dxx dzd dze dzi dzr ed- edd ede edi edm edr edt edx eed eee eem eer eet eex eid eie eii eim eir eit eix em- emd eme emi emm emr emt emx erd ere eri erm err ert erz etd ete eti etm etr ett etx etz ex- exd exe exi exr ext exx eze ezr ezz i-d idd ide idi idm idr idt idx ie- ied iee iei iem ier iet iex iid iie iii iim iir iit iix im- imd ime imi imm imt imx imz ir- ird ire iri irm irr irt irx itd ite iti itm itt itx itz ixe ixi ize izi izm izz m-r mdd mde mdi mdm mdr mdt mdx mdz med mee mei mem mer met mex mez mi- mid mie mii mim mir mit mix miz mmd mme mmi mmm mmr mmt mmx mmz mrd mre mri mrm mrr mrt mrx mrz mtd mte mti mtm mtr mtt mtx mxd mxi mxr mzi mzm mzt mzx rdd rde rdi rdm rdr rdt rdx re- red ree rei rem rer ret rex rez rid rie rii rim rir rit rix riz rmd rme rmi rmm rmr rmt rmx rrd rri rrm rrr rrt rtd rte rti rtm rtr rtt rtx rtz rxr rze rzm t-x tdd tde tdi tdm tdr tdt tdx te- ted tee tei tem ter tet tex tez tid tie tii tim tir tit tix tiz tmd tme tmi tmm tmr tmt tmx tmz trd tre tri trm trr trt trx trz ttd tte tti ttm ttr ttt ttx txe txi txt tzd tze xde xdi xdm xdr xdt xed xee xem xer xet xex xie xii xit xix xmd xmi xmm xmr xmt xmx xrd xrt xrx xti xtm xtr xtx xxi xxx zdm zdt zed zee zem zer zet zez zid zie zim zir zit zix ziz zmd zmm zmt zte ztm ztr zxx zzr zzt zzx zzz