b-u bbb bbe bbg bbh bbl bbn bbu be- beb bee beg beh bel ben beu bgb bge bgg bgh bgl bgn bgu bhb bhe bhg bhh bhl bhu blb ble blg blh bll bln blu bnb bne bng bnl bnn bnu bub bue bug buh bul bun buu ebb ebe ebg ebh ebl ebn ebu eeb eee eeg eel een egb ege egg egh egl egn egu ehb ehe ehg ehh ehl ehn ehu elb ele elg elh ell eln elu en- enb ene eng enh enl enn enu eu- eub eue eug eul eun gbe gbg gbh gbl gbn gbu ge- geb gee geg geh gel gen geu ggb ggg ggh ggn ggu ghb ghe ghg ghh ghl ghn glb gle glg glh gll gln glu gnb gne gnl gnn gnu gu- gub gue gug gul gun guu hbb hbe hbg hbh hbl hbn hbu he- heb hee heg heh hel hen heu hgb hge hgg hgh hgl hgn hgu hhb hhe hhg hhh hhl hhn hhu hlb hle hlg hlh hll hln hlu hnb hne hng hnh hnl hnn hnu hub hue hug huh hul hun huu lbb lbe lbg lbh lbl lbu leb lee leg leh lel len leu lgb lge lgg lgh lgl lgn lgu lhb lhh lhu llb lle llg lll lln llu lnb lne lng lnh lnl lnn lnu lub lue lug luh lul lun luu nbb nbe nbg nbl nbn nbu ne- neb nee neg neh nel nen neu ngb nge ngg ngh ngl ngn ngu nhb nhe nhg nhh nhl nhn nhu nlb nle nlg nlh nll nln nlu nnb nne nng nnh nnl nnn nnu nub nue nug nuh nul nun nuu ubb ube ubg ubh ubl ubn ubu ueb uee ueg ueh uel uen ugb uge ugg ugh ugl ugn ugu uhb uhe uhh uhl uhu ulb ule ulg ull uln ulu un- unb une ung unh unl unn unu uue uug uun uuu