-er -th bbb bbe bbg bbh bbi bbk bbr bbt be- beb bee beg beh bei bek ber bet bgb bge bgg bgh bgi bgk bgr bgt bhb bhe bhg bhh bhi bhk bhr bht bi- bib bie big bih bii bik bir bit bkb bke bkg bkk bkr bkt brb bre brg brh bri brk brr brt btb bte btg bth bti btk btr btt ebb ebe ebg ebh ebi ebk ebr ebt eeb eee eeg eek eer eet egb ege egg egh egi egr egt ehb ehe ehg ehh ehi ehr eht eib eie eig eii eik eir eit ekb eke ekg ekh eki ekr ekt erb ere erg erh eri erk err ert etb ete etg eth eti etk etr ett gbe gbg gbh gbi gbk gbr gbt ge- geb gee geg geh gei gek ger get ggb ggg ggh ggi ggr ggt ghb ghe ghg ghh ghi ghr ght gib gie gig gih gii gik gir git gkb gkh gkt grb gre grg grh gri grk grr grt gtb gte gtg gth gti gtk gtr gtt h-i hbb hbe hbg hbh hbi hbk hbr hbt he- heb hee heg heh hei hek her het hgb hge hgg hgh hgi hgk hgr hgt hhb hhe hhg hhh hhi hhk hhr hht hib hie hig hih hii hik hir hit hkb hkg hkh hki hkk hkr hkt hr- hrb hre hrg hrh hri hrk hrr hrt htb hte htg hth hti htk htr htt ibb ibe ibg ibh ibi ibk ibr ibt ie- iee ieg iei iek ier iet igb ige igg igh igi igk igr igt ihb ihe ihg ihh ihi ihk ihr iht iib iie iih iii iir iit ikb ike iki ikk ikr ikt ir- irb ire irg iri irk irr irt itb ite itg ith iti itk itt k-t kbb kbe kbh kbi kbk kbr ke- keb kee keg keh kei kek ker ket kgb kgh kgi khe khh khi khk khr kib kie kig kih kii kik kir kit kkb kke kkh kki kkk kkr kkt krg kri krk krr krt ktb kte ktg kth ktk ktr ktt rbb rbe rbg rbh rbi rbk rbr rbt re- reb ree reg reh rei rek rer ret rgb rge rgg rgh rgi rgk rgr rgt rh- rhb rhe rhg rhh rhi rhr rht rib rie rig rih rii rik rir rit rkb rke rkg rkk rkt rrb rrg rrh rri rrk rrr rrt rtb rte rtg rti rtk rtr rtt tbb tbe tbg tbh tbi tbk tbr tbt te- teb tee teg teh tei tek ter tet tgb tge tgg tgh tgi tgk tgr tgt th- thb the thg thh thi thk thr tht tib tie tig tih tii tik tir tit tkb tke tkg tkk tkr tkt trb tre trg trh tri trk trr trt ttb tte ttg tth tti ttk ttr ttt