-ey ddd dde ddm ddo dds ddx ddy de- ded dee dem deo des dex dey dmd dme dmm dmo dms dmx dod doe dom doo dos dox doy dsd dse dsm dso dss dsx dsy dxd dxo dxs dxx dy- dyd dye dym dyo dys dyy ed- edd ede edm edo eds edx edy eed eee eem eeo ees eex eey em- emd eme emm emo ems emx eo- eod eoe eom eoo eos es- esd ese esm eso ess esx esy ex- exd exe exo exs exx exy eyd eye eym eyo eys m-o mdd mde mdm mdo mds mdx mdy med mee mem meo mes mex mey mmd mme mmm mmo mms mmx mod moe mom moo mos mox moy msd mse msm mso mss msx msy mxd mxs my- myd mye mym myo mys myx odd ode odm odo ods oed oee oem oeo oes oex oey om- omd ome omm omo oms omx omy oo- ood oom ooo oos oox os- osd ose osm oso oss osx ox- oxo oxx oxy oyd oye oyo oys sdd sde sdm sdo sds sdy se- sed see sem seo ses sex sey smd sme smm smo sms smx smy sod soe som soo sos sox soy ss- ssd sse ssm sso sss ssx sxm sxs sy- syd sye sym sys syx xde xdm xds xed xee xem xes xex xmd xmm xmo xms xmx xod xom xoo xos xox xsm xss xxo xxx xxy xyy yde ydo yds ydy yed yee yem yeo yes yex yey yme ymm ymo yms yod yoe yom yoo yos yox yoy yse ysm yso yss ysy yxe yxy yye yys yyy