-er -th bbb bbe bbg bbh bbi bbl bbr bbt be- beb bee beg beh bei bel ber bet bgb bge bgg bgh bgi bgl bgr bgt bhb bhe bhg bhh bhi bhl bhr bht bi- bib bie big bih bii bil bir bit blb ble blg blh bli bll blr blt brb bre brg brh bri brl brr brt btb bte btg bth bti btl btr btt ebb ebe ebg ebh ebi ebl ebr ebt eeb eee eeg eel eer eet egb ege egg egh egi egl egr egt ehb ehe ehg ehh ehi ehl ehr eht eib eie eig eii eil eir eit elb ele elg elh eli ell elr elt erb ere erg erh eri erl err ert etb ete etg eth eti etl etr ett gbe gbg gbh gbi gbl gbr gbt ge- geb gee geg geh gei gel ger get ggb ggg ggh ggi ggr ggt ghb ghe ghg ghh ghi ghl ghr ght gib gie gig gih gii gil gir git glb gle glg glh gli gll glr glt grb gre grg grh gri grl grr grt gtb gte gtg gth gti gtl gtr gtt h-i hbb hbe hbg hbh hbi hbl hbr hbt he- heb hee heg heh hei hel her het hgb hge hgg hgh hgi hgl hgr hgt hhb hhe hhg hhh hhi hhl hhr hht hib hie hig hih hii hil hir hit hlb hle hlg hlh hli hll hlr hlt hr- hrb hre hrg hrh hri hrl hrr hrt htb hte htg hth hti htl htr htt ibb ibe ibg ibh ibi ibl ibr ibt ie- iee ieg iei iel ier iet igb ige igg igh igi igl igr igt ihb ihe ihg ihh ihi ihl ihr iht iib iie iih iii iil iir iit il- ilb ile ilg ilh ili ill ilr ilt ir- irb ire irg iri irl irr irt itb ite itg ith iti itl itt lbb lbe lbg lbh lbi lbl lbr lbt leb lee leg leh lei lel ler let lgb lge lgg lgh lgi lgl lgr lgt lhb lhh lhi lhr lht lib lie lig lih lii lil lir lit llb lle llg lli lll llr llt lrb lrg lrh lri lrr lrt ltb lte ltg lth lti ltl ltr ltt rbb rbe rbg rbh rbi rbl rbr rbt re- reb ree reg reh rei rel rer ret rgb rge rgg rgh rgi rgr rgt rh- rhb rhe rhg rhh rhi rhl rhr rht rib rie rig rih rii ril rir rit rle rlg rlh rli rll rlr rlt rrb rrg rrh rri rrl rrr rrt rtb rte rtg rti rtl rtr rtt tbb tbe tbg tbh tbi tbl tbr tbt te- teb tee teg teh tei tel ter tet tgb tge tgg tgh tgi tgl tgr tgt th- thb the thg thh thi thl thr tht tib tie tig tih tii til tir tit tle tlg tlh tli tll tlr tlt trb tre trg trh tri trl trr trt ttb tte ttg tth tti ttl ttr ttt