b-u bbb bbc bbd bbe bbg bbl bbu bcb bcc bcd bce bcg bcl bcu bdb bdc bdd bde bdg bdl bdu be- beb bec bed bee beg bel beu bgb bgc bgd bge bgg bgl bgu blb blc bld ble blg bll blu bub buc bud bue bug bul buu c-- cbb cbc cbd cbe cbg cbl cbu ccb ccc ccd cce ccg ccl ccu cdb cdc cdd cde cdg cdl cdu ce- ceb cec ced cee ceg cel ceu cgb cgc cgd cge cgg cgl cgu cl- clb clc cld cle clg cll clu cub cuc cud cue cug cul cuu dbb dbc dbd dbe dbg dbl dbu dcb dcc dcd dce dcg dcl dcu ddb ddc ddd dde ddg ddl ddu de- deb dec ded dee deg del deu dgc dgd dge dgg dgl dgu dl- dlb dlc dld dle dlg dll dlu dub duc dud due dug dul ebb ebc ebd ebe ebg ebl ebu ec- ecb ecc ecd ece ecg ecl ecu ed- edb edc edd ede edg edl edu eeb eec eed eee eeg eel egb egc egd ege egg egl egu elb elc eld ele elg ell elu eu- eub euc eud eue eug eul g-d gbc gbd gbe gbg gbl gbu gcb gcc gcd gce gcg gcl gcu gdb gdc gdd gde gdl gdu ge- geb gec ged gee geg gel geu ggb ggc ggd ggg ggu glb glc gld gle glg gll glu gu- gub guc gud gue gug gul guu lbb lbc lbd lbe lbg lbl lbu lcb lcc lcd lce lcg lcl lcu ldb ldc ldd lde ldg ldl ldu leb lec led lee leg lel leu lgb lgc lgd lge lgg lgl lgu llb llc lld lle llg lll llu lub luc lud lue lug lul luu ubb ubc ube ubg ubl ubu ucb ucc ucd uce ucg ucl ucu udb udc udd ude udg udl udu ueb uec ued uee ueg uel ugb ugc uge ugg ugl ugu ulb ulc uld ule ulg ull ulu uuc uue uug uuu