ddd dde ddg ddo dds ddx de- ded dee deg deo des dex dgd dge dgg dgs dod doe dog doo dos dox dsd dse dsg dso dss dsx dxd dxo dxs dxx ed- edd ede edg edo eds edx eed eee eeg eeo ees eex egd ege egg ego egs egx eo- eod eoe eog eoo eos es- esd ese esg eso ess esx ex- exd exe exo exs exx g-d gdd gde gdo gds gdx ge- ged gee geg geo ges gex ggd ggg ggo ggs god goe gog goo gos gox gsd gse gsg gso gss gsx gxs odd ode odg odo ods oed oee oeg oeo oes oex ogd oge ogg ogo ogs ogx oo- ood oog ooo oos oox os- osd ose osg oso oss osx ox- oxo oxx sdd sde sdg sdo sds se- sed see seg seo ses sex sgd sge sgg sgo sgs sgx sod soe sog soo sos sox ss- ssd sse ssg sso sss ssx sxs xde xds xed xee xeg xes xex xge xod xog xoo xos xox xss xxo xxx