b-u bbb bbe bbg bbi bbl bbn bbt bbu bbx be- beb bee beg bei bel ben bet beu bex bgb bge bgg bgi bgl bgn bgt bgu bgx bi- bib bie big bii bil bin bit biu bix blb ble blg bli bll bln blt blu blx bnb bne bng bni bnl bnn bnt bnu bnx btb bte btg bti btl btn btt btu btx bub bue bug bui bul bun but buu bux bxb bxi bxl bxn bxx ebb ebe ebg ebi ebl ebn ebt ebu ebx eeb eee eeg eel een eet eex egb ege egg egi egl egn egt egu egx eib eie eig eii eil ein eit eiu eix elb ele elg eli ell eln elt elu elx en- enb ene eng eni enl enn ent enu etb ete etg eti etl etn ett etu etx eu- eub eue eug eui eul eun eut eux ex- exe exi exl ext exu exx gbe gbg gbi gbl gbn gbt gbu gbx ge- geb gee geg gei gel gen get geu gex ggb ggg ggi ggn ggt ggu gib gie gig gii gil gin git giu glb gle glg gli gll gln glt glu glx gnb gne gni gnl gnn gnt gnu gtb gte gtg gti gtl gtn gtt gtu gtx gu- gub gue gug gui gul gun gut guu gxl gxt ibb ibe ibg ibi ibl ibn ibt ibu ibx ie- iee ieg iei iel ien iet iex igb ige igg igi igl ign igt igu iib iie iii iil iin iit iiu iix il- ilb ile ilg ili ill iln ilt ilu ilx in- inb ine ing ini inl inn int inu inx itb ite itg iti itl itn itt itu itx iu- iub iue iug iui iut ixe ixi ixl ixn lbb lbe lbg lbi lbl lbt lbu lbx leb lee leg lei lel len let leu lex lgb lge lgg lgi lgl lgn lgt lgu lib lie lig lii lil lin lit liu lix llb lle llg lli lll lln llt llu lnb lne lng lni lnl lnn lnt lnu ltb lte ltg lti ltl ltt ltu ltx lub lue lug lui lul lun lut luu lux lxi lxx n-i nbb nbe nbg nbi nbl nbn nbt nbu nbx ne- neb nee neg nei nel nen net neu nex ngb nge ngg ngi ngl ngn ngt ngu nib nie nig nii nil nin nit niu nix nlb nle nlg nli nll nln nlt nlu nlx nnb nne nng nni nnl nnn nnt nnu ntb nte ntg nti ntn ntt ntu ntx nub nue nug nui nul nun nut nuu nux nxl nxt t-x tbb tbe tbg tbi tbl tbn tbt tbu te- teb tee teg tei tel ten tet teu tex tgb tge tgg tgi tgl tgn tgt tgu tib tie tig tii til tin tit tiu tix tle tlg tli tll tln tlt tlu tlx tnb tne tng tni tnl tnn tnt tnx ttb tte ttg tti ttl ttn ttt ttu ttx tub tue tug tui tul tun tut tuu tux txe txi txl txn txt txu ubb ube ubg ubi ubl ubn ubt ubu ubx ueb uee ueg uei uel uen uet ugb uge ugg ugi ugl ugn ugt ugu ugx uib uie uig uii uil uin uit uiu ulb ule ulg uli ull uln ult ulu un- unb une ung uni unl unn unt unu unx utb ute uti utl utn utt utu utx uue uug uun uut uuu uxb uxt uxu xbe xbl xbx xee xeg xel xen xet xeu xex xge xgi xgl xie xii xin xit xiu xix xlb xlg xli xlt xnu xti xtx xue xui xul xun xxi xxl xxx