-ey b-u bbb bbd bbe bbk bbn bbu bby bdb bdd bde bdk bdu bdy bdz be- beb bed bee bek ben beu bey bez bkb bke bkk bkn bnb bnd bne bnk bnn bnu bnz bub bud bue buk bun buu buy buz by- byd bye byk byn byu byz bzd bze bzn bzu bzz dbb dbd dbe dbk dbn dbu dby dbz ddb ddd dde ddk ddn ddu ddy ddz de- deb ded dee dek den deu dey dez dkb dke dkk dku dnb dnd dne dnk dnn dny dnz dub dud due duk dun duy duz dy- dyb dyd dye dyk dyn dyu dyy dzb dzd dze dzu ebb ebd ebe ebk ebn ebu eby ed- edb edd ede edk edn edu edy eeb eed eee eek een eey ekb ekd eke eku eky en- enb end ene enk enn enu eny enz eu- eub eud eue eun eyd eye eyn eze ezz k-z kbb kbd kbe kbk kbn kbu kbz kdb kde kdk kdu kdy ke- keb ked kee kek ken key kez kkb kke kkk kkn kku kky kn- knd kne knk knn knu kub kud kue kuk kun kuu kuy kyd kye kyn kyu kyz kzy nbb nbd nbe nbk nbn nbu ndb ndd nde ndk ndn ndu ndy ne- neb ned nee nek nen neu ney nez nke nkk nkn nku nky nnb nne nnk nnn nnu nnz nub nud nue nuk nun nuu nuy nyd nye nyk nyn nyu nyy nzb nzd nze nzz ubb ube ubk ubn ubu uby udb udd ude udk udn udu ueb ued uee uen uey ukb uke ukk ukn uku ukz un- unb und une unk unn unu uny uue uun uuu uyu uzb uzu ybe yby ybz yde ydn ydy yeb yed yee yek yen yey yez ykk ykn ynd yne ynk ynn ynu yny yud yue yuk yun yuu yuy yyb yye yyu yyy yyz yzb yzu yzy zbb zby zeb zed zee zek zen zez znd zne znn zub zud zuk zun zuz zzy zzz