-ey b-u bbb bbc bbd bbe bbk bbn bbt bbu bby bcb bcc bcd bce bck bcn bct bcu bcy bdb bdc bdd bde bdk bdt bdu bdy be- beb bec bed bee bek ben bet beu bey bkb bkc bke bkk bkn bkt bnb bnc bnd bne bnk bnn bnt bnu btb btc btd bte btk btn btt btu bty bub buc bud bue buk bun but buu buy by- byc byd bye byk byn byt byu c-- cbb cbc cbd cbe cbk cbn cbt cbu cby ccb ccc ccd cce cck ccn cct ccu cdb cdc cdd cde cdk cdn cdt cdu cdy ce- ceb cec ced cee cek cen cet ceu cey ckb ckc ckd ckt cky cn- cnb cnc cnd cne cnn cnt cnu cny ctb ctc ctd cte ctk ctn ctt ctu cty cub cuc cud cue cuk cun cut cuu cuy cyb cyc cyd cye cyk cyn cyt dbb dbc dbd dbe dbk dbn dbt dbu dby dcb dcc dcd dce dck dcn dct dcu ddb ddc ddd dde ddk ddn ddt ddu ddy de- deb dec ded dee dek den det deu dey dkb dkc dke dkk dkt dku dnb dnc dnd dne dnk dnn dnt dny dtb dtc dtd dte dtk dtn dtt dtu dty dub duc dud due duk dun dut duy dy- dyb dyc dyd dye dyk dyn dyu dyy ebb ebc ebd ebe ebk ebn ebt ebu eby ec- ecb ecc ecd ece eck ecn ect ecu ed- edb edc edd ede edk edn edt edu edy eeb eec eed eee eek een eet eey ekb ekc ekd eke ekt eku eky en- enb enc end ene enk enn ent enu eny etb etc etd ete etk etn ett etu ety eu- eub euc eud eue eun eut eyc eyd eye eyn eyt k-t kbb kbc kbd kbe kbk kbn kbu kcb kcc kcd kce kck kcn kct kcu kdb kdc kde kdk kdt kdu kdy ke- keb kec ked kee kek ken ket key kkb kkc kke kkk kkn kkt kku kky kn- knc knd kne knk knn knt knu ktb ktc kte ktk ktn ktt ktu kub kuc kud kue kuk kun kut kuu kuy kyc kyd kye kyn kyt kyu nbb nbc nbd nbe nbk nbn nbt nbu ncb ncc ncd nce nck ncn nct ncu ndb ndc ndd nde ndk ndn ndt ndu ndy ne- neb nec ned nee nek nen net neu ney nkc nke nkk nkn nkt nku nky nnb nnc nne nnk nnn nnt nnu ntb ntc ntd nte ntk ntn ntt ntu nub nuc nud nue nuk nun nut nuu nuy nyc nyd nye nyk nyn nyt nyu nyy tbb tbc tbd tbe tbk tbn tbt tbu tcb tcc tcd tce tck tcn tct tcu tdb tdc tdd tde tdk tdn tdt tdu tdy te- teb tec ted tee tek ten tet teu tey tkb tkc tke tkk tkt tky tnb tnc tnd tne tnk tnn tnt ttb ttc ttd tte ttk ttn ttt ttu tty tub tuc tud tue tuk tun tut tuu tuy tyc tyd tye tyn tyt ubb ubc ube ubk ubn ubt ubu uby ucb ucc ucd uce uck ucn uct ucu udb udc udd ude udk udn udt udu ueb uec ued uee uen uet uey ukb ukc uke ukk ukn uku un- unb unc und une unk unn unt unu uny utb utc utd ute utk utn utt utu uty uuc uue uun uut uuu uyc uyu ybc ybe yby ycc ycd yce ycu ycy yde ydn ydt ydy yeb yec yed yee yek yen yet yey ykk ykn ynd yne ynk ynn ynu yny ytc ytd yte ytk ytn ytt ytu yud yue yuk yun yut yuu yuy yyb yyc yye yyt yyu yyy