-ey bbb bbd bbe bbk bbn bbo bbt bby bdb bdd bde bdk bdo bdt bdy be- beb bed bee bek ben beo bet bey bkb bke bkk bkn bko bkt bnb bnd bne bnk bnn bno bnt bob bod boe bok bon boo bot boy btb btd bte btk btn bto btt bty by- byd bye byk byn byo byt dbb dbd dbe dbk dbn dbo dbt dby ddb ddd dde ddk ddn ddo ddt ddy de- deb ded dee dek den deo det dey dkb dke dkk dko dkt dnb dnd dne dnk dnn dno dnt dny dob dod doe dok don doo dot doy dtb dtd dte dtk dtn dto dtt dty dy- dyb dyd dye dyk dyn dyo dyy ebb ebd ebe ebk ebn ebo ebt eby ed- edb edd ede edk edn edo edt edy eeb eed eee eek een eeo eet eey ekb ekd eke eko ekt eky en- enb end ene enk enn eno ent eny eo- eob eod eoe eok eon eoo eot etb etd ete etk etn eto ett ety eyd eye eyn eyo eyt k-t kbb kbd kbe kbk kbn kbo kdb kde kdk kdo kdt kdy ke- keb ked kee kek ken keo ket key kkb kke kkk kkn kkt kky kn- knd kne knk knn kno knt kob kod koe kok kon koo kot koy ktb kte ktk ktn kto ktt kyd kye kyn kyo kyt nbb nbd nbe nbk nbn nbo nbt ndb ndd nde ndk ndn ndo ndt ndy ne- neb ned nee nek nen neo net ney nke nkk nkn nko nkt nky nnb nne nnk nnn nno nnt no- nob nod noe nok non noo not noy ntb ntd nte ntk ntn nto ntt nyd nye nyk nyn nyo nyt nyy ob- obb obd obe obk obn obo obt oby odb odd ode odn odo odt oeb oed oee oen oeo oet oey okb okd oke okk oko on- onb ond one onk onn ono ont ony oo- oob ood ook oon ooo oot ot- otb otd ote otk otn oto ott oyd oye oyo tbb tbd tbe tbk tbn tbo tbt tdb tdd tde tdk tdn tdo tdt tdy te- teb ted tee tek ten teo tet tey tkb tke tkk tko tkt tky tnb tnd tne tnk tnn tno tnt to- tob tod toe tok ton too tot toy ttb ttd tte ttk ttn tto ttt tty tyd tye tyn tyo tyt ybe yby yde ydn ydo ydt ydy yeb yed yee yek yen yeo yet yey ykk ykn ynd yne ynk ynn yny yob yod yoe yok yon yoo yot yoy ytd yte ytk ytn yto ytt yyb yye yyt yyy