-er bbb bbe bbf bbg bbl bbr be- beb bee bef beg bel ber bfb bfe bff bfg bfj bfl bfr bgb bge bgf bgg bgl bgr bjf bjg bjj bjr blb ble blf blg blj bll blr brb bre brf brg brj brl brr ebb ebe ebf ebg ebj ebl ebr eeb eee eef eeg eel eer ef- efb efe eff efg efl efr egb ege egf egg egl egr ejf ejl elb ele elf elg ell elr erb ere erf erg erl err fbb fbe fbf fbg fbl fbr feb fee fef feg fel fer ffe fff ffg ffl ffr fgb fge fgf fgg fgl fgr fjb fjg flb fle flf flg fll flr frb fre frf frg frj frl frr gbe gbf gbg gbj gbl gbr ge- geb gee gef geg gel ger gfb gfe gff gfl gfr ggb ggg ggj ggr gje gjg gjr glb gle glf glg glj gll glr grb gre grf grg grj grl grr jbf jbg jbj jbl jbr jeb jee jef jeg jej jel jer jfb jfe jff jfg jfj jfl jfr jgb jge jgr jjb jjf jjg jjj jjl jjr jlb jle jlf jlg jll jlr jrb jrf jrg jrl jrr lbb lbe lbf lbg lbj lbl lbr leb lee lef leg lej lel ler lfb lfe lff lfg lfl lfr lgb lge lgf lgg lgj lgl lgr lje ljf ljj llb lle llf llg llj lll llr lrb lrf lrg lrr rbb rbe rbf rbg rbl rbr re- reb ree ref reg rel rer rfb rfe rff rfg rfj rfl rfr rgb rge rgf rgg rgr rjf rjg rjr rle rlf rlg rll rlr rrb rrf rrg rrl rrr