b-u bbb bbd bbe bbh bbl bbm bbn bbu bdb bdd bde bdh bdl bdm bdu be- beb bed bee beh bel bem ben beu bhb bhd bhe bhh bhl bhm bhu blb bld ble blh bll blm bln blu bmb bmd bme bmh bml bmm bmn bmu bnb bnd bne bnl bnn bnu bub bud bue buh bul bum bun buu dbb dbd dbe dbh dbl dbm dbn dbu ddb ddd dde ddh ddl ddm ddn ddu de- deb ded dee deh del dem den deu dh- dhb dhd dhe dhh dhl dhm dhu dl- dlb dld dle dlh dll dlm dlu dmb dmd dme dmh dml dmm dmn dmu dnb dnd dne dnh dnl dnm dnn dub dud due duh dul dum dun ebb ebd ebe ebh ebl ebm ebn ebu ed- edb edd ede edh edl edm edn edu eeb eed eee eel eem een ehb ehd ehe ehh ehl ehm ehn ehu elb eld ele elh ell elm eln elu em- emb emd eme emh eml emm emn emu en- enb end ene enh enl enm enn enu eu- eub eud eue eul eun hbb hbd hbe hbh hbl hbm hbn hbu hdb hdd hde hdh hdl hdm hdn hdu he- heb hed hee heh hel hem hen heu hhb hhd hhe hhh hhl hhm hhn hhu hlb hld hle hlh hll hlm hln hlu hmb hmd hme hmh hml hmm hmu hnb hnd hne hnh hnl hnn hnu hub hud hue huh hul hum hun huu lbb lbd lbe lbh lbl lbm lbu ldb ldd lde ldh ldl ldm ldn ldu leb led lee leh lel lem len leu lhb lhd lhh lhu llb lld lle lll llm lln llu lmb lmd lme lmh lml lmm lmn lmu lnb lnd lne lnh lnl lnm lnn lnu lub lud lue luh lul lum lun luu mbb mbd mbe mbh mbl mbm mbu mdb mdd mde mdh mdl mdm mdn mdu meb med mee meh mel mem men meu mhd mhh mhl mhm mhn mhu mlb mld mle mlh mll mlm mln mlu mmb mmd mme mmh mml mmm mmn mmu mnb mne mnl mnm mnn mnu mub mud mue muh mul mum mun muu nbb nbd nbe nbl nbm nbn nbu ndb ndd nde ndh ndl ndm ndn ndu ne- neb ned nee neh nel nem nen neu nhb nhd nhe nhh nhl nhm nhn nhu nlb nld nle nlh nll nlm nln nlu nmb nmd nme nmh nml nmm nmn nmu nnb nne nnh nnl nnm nnn nnu nub nud nue nuh nul num nun nuu ubb ube ubh ubl ubn ubu udb udd ude udl udm udn udu ueb ued uee ueh uel uem uen uhb uhd uhe uhh uhl uhm uhu ulb uld ule ull ulm uln ulu um- umb umd ume umh uml umm umn umu un- unb und une unh unl unm unn unu uue uum uun uuu