-ey ddd dde ddm ddo dds ddt ddx ddy de- ded dee dem deo des det dex dey dmd dme dmm dmo dms dmt dmx dod doe dom doo dos dot dox doy dsd dse dsm dso dss dst dsx dsy dtd dte dtm dto dts dtt dtx dty dxd dxo dxs dxt dxx dy- dyd dye dym dyo dys dyy ed- edd ede edm edo eds edt edx edy eed eee eem eeo ees eet eex eey em- emd eme emm emo ems emt emx eo- eod eoe eom eoo eos eot es- esd ese esm eso ess est esx esy etd ete etm eto ets ett etx ety ex- exd exe exo exs ext exx exy eyd eye eym eyo eys eyt m-o mdd mde mdm mdo mds mdt mdx mdy med mee mem meo mes met mex mey mmd mme mmm mmo mms mmt mmx mod moe mom moo mos mot mox moy msd mse msm mso mss mst msx msy mtd mte mtm mto mts mtt mtx mxd mxs my- myd mye mym myo mys myt myx odd ode odm odo ods odt oed oee oem oeo oes oet oex oey om- omd ome omm omo oms omt omx omy oo- ood oom ooo oos oot oox os- osd ose osm oso oss ost osx ot- otd ote otm oto ots ott ox- oxo oxt oxx oxy oyd oye oyo oys sdd sde sdm sdo sds sdt sdy se- sed see sem seo ses set sex sey smd sme smm smo sms smt smx smy sod soe som soo sos sot sox soy ss- ssd sse ssm sso sss sst ssx std ste stm sto sts stt stx sty sxm sxs sxt sy- syd sye sym sys syt syx t-x tdd tde tdm tdo tds tdt tdx tdy te- ted tee tem teo tes tet tex tey tmd tme tmm tmo tms tmt tmx tmy to- tod toe tom too tos tot tox toy tsd tse tsm tso tss tst tsx tsy ttd tte ttm tto tts ttt ttx tty txe txs txt tyd tye tym tyo tys tyt xde xdm xds xdt xed xee xem xes xet xex xmd xmm xmo xms xmt xmx xod xom xoo xos xot xox xsm xss xst xtm xts xtx xty xxo xxx xxy xyy yde ydo yds ydt ydy yed yee yem yeo yes yet yex yey yme ymm ymo yms ymt yod yoe yom yoo yos yot yox yoy yse ysm yso yss yst ysy ytd yte ytm yto yts ytt yxe yxy yye yys yyt yyy