-ey b-u bbb bbd bbe bbk bbn bbs bbu bby bdb bdd bde bdk bds bdu bdy be- beb bed bee bek ben bes beu bey bkb bke bkk bkn bks bnb bnd bne bnk bnn bns bnu bsb bsd bse bsk bsn bss bsu bsy bub bud bue buk bun bus buu buy by- byd bye byk byn bys byu dbb dbd dbe dbk dbn dbs dbu dby ddb ddd dde ddk ddn dds ddu ddy de- deb ded dee dek den des deu dey dkb dke dkk dks dku dnb dnd dne dnk dnn dns dny dsb dsd dse dsk dsn dss dsu dsy dub dud due duk dun dus duy dy- dyb dyd dye dyk dyn dys dyu dyy ebb ebd ebe ebk ebn ebs ebu eby ed- edb edd ede edk edn eds edu edy eeb eed eee eek een ees eey ekb ekd eke eks eku eky en- enb end ene enk enn ens enu eny es- esb esd ese esk esn ess esu esy eu- eub eud eue eun eus eyd eye eyn eys kbb kbd kbe kbk kbn kbs kbu kdb kde kdk kds kdu kdy ke- keb ked kee kek ken kes key kkb kke kkk kkn kks kku kky kn- knd kne knk knn knu ksb ksd kse ksk ksn kss ksu kub kud kue kuk kun kus kuu kuy kyd kye kyn kys kyu nbb nbd nbe nbk nbn nbs nbu ndb ndd nde ndk ndn nds ndu ndy ne- neb ned nee nek nen nes neu ney nke nkk nkn nks nku nky nnb nne nnk nnn nns nnu nsb nsd nse nsk nsn nss nsu nsy nub nud nue nuk nun nus nuu nuy nyd nye nyk nyn nys nyu nyy sbb sbd sbe sbk sbn sbs sbu sby sdb sdd sde sdk sdn sds sdu sdy se- seb sed see sek sen ses seu sey sk- skb skd ske skk sks sku sky snb snd sne snk snn sns snu sny ss- ssb ssd sse ssk ssn sss ssu sub sud sue suk sun sus suu suy sy- syb syd sye syk syn sys syu ubb ube ubk ubn ubs ubu uby udb udd ude udk udn uds udu ueb ued uee uen ues uey ukb uke ukk ukn uku un- unb und une unk unn uns unu uny usb usd use usk usn uss usu uue uun uus uuu uys uyu ybe ybs yby yde ydn yds ydy yeb yed yee yek yen yes yey ykk ykn ynd yne ynk ynn yns ynu yny ysb yse ysk yss ysu ysy yud yue yuk yun yus yuu yuy yyb yye yys yyu yyy