b-u bbb bbd bbe bbh bbi bbk bbl bbn bbu bdb bdd bde bdh bdi bdk bdl bdu be- beb bed bee beh bei bek bel ben beu bhb bhd bhe bhh bhi bhk bhl bhu bi- bib bid bie bih bii bik bil bin biu bkb bke bkk bkl bkn blb bld ble blh bli blk bll bln blu bnb bnd bne bni bnk bnl bnn bnu bub bud bue buh bui buk bul bun buu dbb dbd dbe dbh dbi dbk dbl dbn dbu ddb ddd dde ddh ddi ddk ddl ddn ddu de- deb ded dee deh dei dek del den deu dh- dhb dhd dhe dhh dhi dhk dhl dhu di- dib did die dih dii dik dil din diu dkb dke dki dkk dkl dku dl- dlb dld dle dlh dli dlk dll dlu dnb dnd dne dnh dni dnk dnl dnn dub dud due duh dui duk dul dun ebb ebd ebe ebh ebi ebk ebl ebn ebu ed- edb edd ede edh edi edk edl edn edu eeb eed eee eek eel een ehb ehd ehe ehh ehi ehl ehn ehu eib eid eie eii eik eil ein eiu ekb ekd eke ekh eki ekl eku elb eld ele elh eli elk ell eln elu en- enb end ene enh eni enk enl enn enu eu- eub eud eue eui eul eun h-i hbb hbd hbe hbh hbi hbk hbl hbn hbu hdb hdd hde hdh hdi hdk hdl hdn hdu he- heb hed hee heh hei hek hel hen heu hhb hhd hhe hhh hhi hhk hhl hhn hhu hib hid hie hih hii hik hil hin hiu hkb hkd hkh hki hkk hkl hkn hku hlb hld hle hlh hli hll hln hlu hnb hnd hne hnh hnk hnl hnn hnu hub hud hue huh hui huk hul hun huu i-d ibb ibd ibe ibh ibi ibk ibl ibn ibu idb idd ide idh idi idk idl idn idu ie- ied iee iei iek iel ien ihb ihd ihe ihh ihi ihk ihl ihn ihu iib iid iie iih iii iil iin iiu ikb ike iki ikk ikl iku il- ilb ild ile ilh ili ilk ill iln ilu in- inb ind ine inh ini ink inl inn inu iu- iub iud iue iui kbb kbd kbe kbh kbi kbk kbl kbn kbu kdb kde kdh kdk kdl kdu ke- keb ked kee keh kei kek kel ken khe khh khi khk khn khu kib kid kie kih kii kik kil kin kiu kkb kke kkh kki kkk kkl kkn kku kl- klb kld klh kli klu kn- knd kne kni knk knl knn knu kub kud kue kuh kui kuk kul kun kuu lbb lbd lbe lbh lbi lbk lbl lbu ldb ldd lde ldh ldi ldk ldl ldn ldu leb led lee leh lei lek lel len leu lhb lhd lhh lhi lhk lhu lib lid lie lih lii lik lil lin liu lkb lkh lkl llb lld lle lli llk lll lln llu lnb lnd lne lnh lni lnk lnl lnn lnu lub lud lue luh lui luk lul lun luu n-i nbb nbd nbe nbi nbk nbl nbn nbu ndb ndd nde ndh ndi ndk ndl ndn ndu ne- neb ned nee neh nei nek nel nen neu nhb nhd nhe nhh nhi nhk nhl nhn nhu nib nid nie nih nii nik nil nin niu nke nki nkk nkn nku nlb nld nle nlh nli nlk nll nln nlu nnb nne nnh nni nnk nnl nnn nnu nub nud nue nuh nui nuk nul nun nuu ubb ube ubh ubi ubk ubl ubn ubu udb udd ude udi udk udl udn udu ueb ued uee ueh uei uel uen uhb uhd uhe uhh uhi uhl uhu uib uid uie uii uil uin uiu ukb uke uki ukk ukl ukn uku ulb uld ule uli ulk ull uln ulu un- unb und une unh uni unk unl unn unu uue uun uuu