-er bbb bbe bbg bbn bbr be- beb bee beg ben ber bgb bge bgg bgn bgr bjg bjj bjn bjr bnb bne bng bnj bnn bnr brb bre brg brj brn brr ebb ebe ebg ebj ebn ebr eeb eee eeg een eer egb ege egg egn egr en- enb ene eng enn enr erb ere erg ern err gbe gbg gbj gbn gbr ge- geb gee geg gen ger ggb ggg ggj ggn ggr gje gjg gjr gnb gne gnn gnr grb gre grg grj grn grr jbg jbj jbr jeb jee jeg jej jen jer jgb jge jgn jgr jjb jjg jjj jjr jne jng jnj jnn jnr jrb jrg jrn jrr nbb nbe nbg nbn nbr ne- neb nee neg nej nen ner ngb nge ngg ngj ngn nje njn nnb nne nng nnn nrb nre nrg nrj nrn nrr rbb rbe rbg rbn rbr re- reb ree reg ren rer rgb rge rgg rgn rgr rjg rjr rnb rng rnn rnr rrb rrg rrn rrr