-er bbb bbe bbg bbn bbo bbr be- beb bee beg ben beo ber bgb bge bgg bgn bgo bgr bjg bjj bjn bjr bnb bne bng bnj bnn bno bnr bob boe bog boj bon boo bor brb bre brg brj brn bro brr ebb ebe ebg ebj ebn ebo ebr eeb eee eeg een eeo eer egb ege egg egn ego egr ejo en- enb ene eng enn eno enr eo- eob eoe eog eon eoo eor erb ere erg ern ero err gbe gbg gbj gbn gbo gbr ge- geb gee geg gen geo ger ggb ggg ggj ggn ggo ggr gje gjg gjr gnb gne gnn gno gnr gob goe gog gon goo gor grb gre grg grj grn gro grr jbg jbj jbo jbr jeb jee jeg jej jen jeo jer jgb jge jgn jgo jgr jjb jjg jjj jjr jne jng jnj jnn jno jnr job joe jog joj jon joo jor jrb jrg jrn jro jrr nbb nbe nbg nbn nbo nbr ne- neb nee neg nej nen neo ner ngb nge ngg ngj ngn ngo nje njn nnb nne nng nnn nno no- nob noe nog noj non noo nor nrb nre nrg nrj nrn nro nrr ob- obb obe obg obj obn obo obr oeb oee oeg oen oeo oer oge ogg ogn ogo ojb oje ojo on- onb one ong onj onn ono onr oo- oob oog oon ooo oor or- orb ore org orn oro orr rbb rbe rbg rbn rbo rbr re- reb ree reg ren reo rer rgb rge rgg rgn rgo rgr rjg rjr rnb rng rnn rno rnr rob roe rog roj ron roo ror rrb rrg rrn rrr