-er -th bbb bbe bbg bbh bbn bbo bbr bbt be- beb bee beg beh ben beo ber bet bgb bge bgg bgh bgn bgo bgr bgt bhb bhe bhg bhh bho bhr bht bnb bne bng bnn bno bnr bnt bob boe bog boh bon boo bor bot brb bre brg brh brn bro brr brt btb bte btg bth btn bto btr btt ebb ebe ebg ebh ebn ebo ebr ebt eeb eee eeg een eeo eer eet egb ege egg egh egn ego egr egt ehb ehe ehg ehh ehn eho ehr eht en- enb ene eng enh enn eno enr ent eo- eob eoe eog eoh eon eoo eor eot erb ere erg erh ern ero err ert etb ete etg eth etn eto etr ett gbe gbg gbh gbn gbo gbr gbt ge- geb gee geg geh gen geo ger get ggb ggg ggh ggn ggo ggr ggt ghb ghe ghg ghh ghn gho ghr ght gnb gne gnn gno gnr gnt gob goe gog goh gon goo gor got grb gre grg grh grn gro grr grt gtb gte gtg gth gtn gto gtr gtt hbb hbe hbg hbh hbn hbo hbr hbt he- heb hee heg heh hen heo her het hgb hge hgg hgh hgn hgo hgr hgt hhb hhe hhg hhh hhn hho hhr hht hnb hne hng hnh hnn hno hnt hob hoe hog hoh hon hoo hor hot hr- hrb hre hrg hrh hrn hro hrr hrt htb hte htg hth htn hto htr htt nbb nbe nbg nbn nbo nbr nbt ne- neb nee neg neh nen neo ner net ngb nge ngg ngh ngn ngo ngt nhb nhe nhg nhh nhn nhr nht nnb nne nng nnh nnn nno nnt no- nob noe nog noh non noo nor not nrb nre nrg nrn nro nrr nrt ntb nte ntg nth ntn nto ntr ntt ob- obb obe obg obh obn obo obr obt oeb oee oeg oeh oen oeo oer oet oge ogg ogh ogn ogo ogt ohe ohg ohh ohn oho ohr oht on- onb one ong onh onn ono onr ont oo- oob oog ooh oon ooo oor oot or- orb ore org orh orn oro orr ort ot- otb ote otg oth otn oto otr ott rbb rbe rbg rbh rbn rbo rbr rbt re- reb ree reg reh ren reo rer ret rgb rge rgg rgh rgn rgo rgr rgt rh- rhb rhe rhg rhh rhn rho rhr rht rnb rng rnh rnn rno rnr rnt rob roe rog roh ron roo ror rot rrb rrg rrh rrn rrr rrt rtb rte rtg rtn rto rtr rtt tbb tbe tbg tbh tbn tbo tbr tbt te- teb tee teg teh ten teo ter tet tgb tge tgg tgh tgn tgo tgr tgt th- thb the thg thh thn tho thr tht tnb tne tng tnh tnn tno tnr tnt to- tob toe tog toh ton too tor tot trb tre trg trh trn tro trr trt ttb tte ttg tth ttn tto ttr ttt