-er bbb bbe bbg bbh bbn bbr be- beb bee beg beh ben ber bgb bge bgg bgh bgn bgr bhb bhe bhg bhh bhr bnb bne bng bnn bnr brb bre brg brh brn brr ebb ebe ebg ebh ebn ebr eeb eee eeg een eer egb ege egg egh egn egr ehb ehe ehg ehh ehn ehr en- enb ene eng enh enn enr erb ere erg erh ern err gbe gbg gbh gbn gbr ge- geb gee geg geh gen ger ggb ggg ggh ggn ggr ghb ghe ghg ghh ghn ghr gnb gne gnn gnr grb gre grg grh grn grr hbb hbe hbg hbh hbn hbr he- heb hee heg heh hen her hgb hge hgg hgh hgn hgr hhb hhe hhg hhh hhn hhr hnb hne hng hnh hnn hr- hrb hre hrg hrh hrn hrr nbb nbe nbg nbn nbr ne- neb nee neg neh nen ner ngb nge ngg ngh ngn nhb nhe nhg nhh nhn nhr nnb nne nng nnh nnn nrb nre nrg nrn nrr rbb rbe rbg rbh rbn rbr re- reb ree reg reh ren rer rgb rge rgg rgh rgn rgr rh- rhb rhe rhg rhh rhn rhr rnb rng rnh rnn rnr rrb rrg rrh rrn rrr