-ey ddd dde ddk ddn ddo ddt ddx ddy de- ded dee dek den deo det dex dey dke dkk dko dkt dkx dnd dne dnk dnn dno dnt dny dod doe dok don doo dot dox doy dtd dte dtk dtn dto dtt dtx dty dxd dxn dxo dxt dxx dy- dyd dye dyk dyn dyo dyy ed- edd ede edk edn edo edt edx edy eed eee eek een eeo eet eex eey ekd eke eko ekt eky en- end ene enk enn eno ent eny eo- eod eoe eok eon eoo eot etd ete etk etn eto ett etx ety ex- exd exe exo ext exx exy eyd eye eyn eyo eyt k-t kde kdk kdo kdt kdx kdy ke- ked kee kek ken keo ket kex key kke kkk kkn kkt kky kn- knd kne knk knn kno knt knx kod koe kok kon koo kot koy kte ktk ktn kto ktt kxo kxy kyd kye kyn kyo kyt kyx ndd nde ndk ndn ndo ndt ndy ne- ned nee nek nen neo net nex ney nke nkk nkn nko nkt nky nne nnk nnn nno nnt no- nod noe nok non noo not nox noy ntd nte ntk ntn nto ntt ntx nxd nxt nyd nye nyk nyn nyo nyt nyx nyy odd ode odn odo odt oed oee oen oeo oet oex oey okd oke okk oko on- ond one onk onn ono ont onx ony oo- ood ook oon ooo oot oox ot- otd ote otk otn oto ott ox- oxn oxo oxt oxx oxy oyd oye oyo t-x tdd tde tdk tdn tdo tdt tdx tdy te- ted tee tek ten teo tet tex tey tke tkk tko tkt tky tnd tne tnk tnn tno tnt tnx to- tod toe tok ton too tot tox toy ttd tte ttk ttn tto ttt ttx tty txe txk txn txt tyd tye tyn tyo tyt xde xdk xdt xed xee xen xet xex xke xnk xno xod xok xon xoo xot xox xtx xty xxo xxx xxy xyy yde ydn ydo ydt ydy yed yee yek yen yeo yet yex yey ykk ykn ynd yne ynk ynn yny yod yoe yok yon yoo yot yox yoy ytd yte ytk ytn yto ytt yxe yxy yye yyt yyy