ddd ddo ddt ddu ddw dod doo dot dou dow dtd dto dtt dtu dtw dud duo dut dwo dwt dwu dww odd odo odt odu oo- ood ooo oot oow ot- otd oto ott otu otw ou- oud ouo out owd owo owt owu oww tdd tdo tdt tdu tdw to- tod too tot tou tow ttd tto ttt ttu ttw tud tuo tut tuu twd two twt twu tww udd udo udt udu uod uoo uot uow utd uto utt utu uut uuu uww wdt wdu wod woo wot wou wow wtd wto wtt wtu wtw wud wuo wut wwd wwo wwt wwu www