-er -th bbb bbe bbg bbh bbi bbo bbr bbt be- beb bee beg beh bei beo ber bet bgb bge bgg bgh bgi bgo bgr bgt bhb bhe bhg bhh bhi bho bhr bht bi- bib bie big bih bii bio bir bit bob boe bog boh boi boo bor bot brb bre brg brh bri bro brr brt btb bte btg bth bti bto btr btt ebb ebe ebg ebh ebi ebo ebr ebt eeb eee eeg eeo eer eet egb ege egg egh egi ego egr egt ehb ehe ehg ehh ehi eho ehr eht eib eie eig eii eio eir eit eo- eob eoe eog eoh eoi eoo eor eot erb ere erg erh eri ero err ert etb ete etg eth eti eto etr ett gbe gbg gbh gbi gbo gbr gbt ge- geb gee geg geh gei geo ger get ggb ggg ggh ggi ggo ggr ggt ghb ghe ghg ghh ghi gho ghr ght gib gie gig gih gii gio gir git gob goe gog goh goi goo gor got grb gre grg grh gri gro grr grt gtb gte gtg gth gti gto gtr gtt h-i hbb hbe hbg hbh hbi hbo hbr hbt he- heb hee heg heh hei heo her het hgb hge hgg hgh hgi hgo hgr hgt hhb hhe hhg hhh hhi hho hhr hht hib hie hig hih hii hio hir hit hob hoe hog hoh hoi hoo hor hot hr- hrb hre hrg hrh hri hro hrr hrt htb hte htg hth hti hto htr htt ibb ibe ibg ibh ibi ibo ibr ibt ie- iee ieg iei ier iet igb ige igg igh igi igo igr igt ihb ihe ihg ihh ihi iho ihr iht iib iie iih iii iio iir iit io- iob ioe iog ioh ioi ioo ior iot ir- irb ire irg iri iro irr irt itb ite itg ith iti ito itt o-i ob- obb obe obg obh obi obo obr obt oeb oee oeg oeh oei oeo oer oet oge ogg ogh ogi ogo ogt ohe ohg ohh ohi oho ohr oht oib oie oii oio oir oit oo- oob oog ooh ooi ooo oor oot or- orb ore org orh ori oro orr ort ot- otb ote otg oth oti oto otr ott rbb rbe rbg rbh rbi rbo rbr rbt re- reb ree reg reh rei reo rer ret rgb rge rgg rgh rgi rgo rgr rgt rh- rhb rhe rhg rhh rhi rho rhr rht rib rie rig rih rii rio rir rit rob roe rog roh roi roo ror rot rrb rrg rrh rri rrr rrt rtb rte rtg rti rto rtr rtt tbb tbe tbg tbh tbi tbo tbr tbt te- teb tee teg teh tei teo ter tet tgb tge tgg tgh tgi tgo tgr tgt th- thb the thg thh thi tho thr tht tib tie tig tih tii tio tir tit to- tob toe tog toh toi too tor tot trb tre trg trh tri tro trr trt ttb tte ttg tth tti tto ttr ttt