ddd dde ddh ddo dds ddx de- ded dee deh deo des dex dh- dhd dhe dhh dho dhs dod doe doh doo dos dox dsd dse dsh dso dss dsx dxd dxo dxs dxx ed- edd ede edh edo eds edx eed eee eeo ees eex ehd ehe ehh eho ehs eo- eod eoe eoh eoo eos es- esd ese esh eso ess esx ex- exd exe exh exo exs exx hdd hde hdh hdo hds hdx he- hed hee heh heo hes hex hhd hhe hhh hho hhs hod hoe hoh hoo hos hox hsd hse hsh hss hsx hxd odd ode odh odo ods oed oee oeh oeo oes oex ohd ohe ohh oho ohs oo- ood ooh ooo oos oox os- osd ose osh oso oss osx ox- oxo oxx sdd sde sdh sdo sds se- sed see seh seo ses sex sh- shd she shh sho shs sod soe soh soo sos sox ss- ssd sse ssh sso sss ssx sxs xde xdh xds xed xee xes xex xhd xod xoo xos xox xss xxo xxx