-th b-u bbb bbg bbh bbi bbo bbr bbt bbu bgb bgg bgh bgi bgo bgr bgt bgu bhb bhg bhh bhi bho bhr bht bhu bi- bib big bih bii bio bir bit biu bob bog boh boi boo bor bot bou brb brg brh bri bro brr brt bru btb btg bth bti bto btr btt btu bub bug buh bui buo bur but buu gbg gbh gbi gbo gbr gbt gbu ggb ggg ggh ggi ggo ggr ggt ggu ghb ghg ghh ghi gho ghr ght gib gig gih gii gio gir git giu gob gog goh goi goo gor got gou grb grg grh gri gro grr grt gru gtb gtg gth gti gto gtr gtt gtu gu- gub gug gui guo gur gut guu h-i hbb hbg hbh hbi hbo hbr hbt hbu hgb hgg hgh hgi hgo hgr hgt hgu hhb hhg hhh hhi hho hhr hht hhu hib hig hih hii hio hir hit hiu hob hog hoh hoi hoo hor hot hou hr- hrb hrg hrh hri hro hrr hrt hru htb htg hth hti hto htr htt hub hug huh hui huo hur hut huu ibb ibg ibh ibi ibo ibr ibt ibu igb igg igh igi igo igr igt igu ihb ihg ihh ihi iho ihr iht ihu iib iih iii iio iir iit iiu io- iob iog ioh ioi ioo ior iot iou ir- irb irg iri iro irr irt iru itb itg ith iti ito itt itu iu- iub iug iui iur iut o-i ob- obb obg obh obi obo obr obt obu ogg ogh ogi ogo ogt ohg ohh ohi oho ohr oht ohu oib oii oio oir oit oiu oo- oob oog ooh ooi ooo oor oot or- orb org orh ori oro orr ort oru ot- otb otg oth oti oto otr ott otu ou- ouh oui ouo our out rbb rbg rbh rbi rbo rbr rbt rbu rgb rgg rgh rgi rgo rgr rgt rh- rhb rhg rhh rhi rho rhr rht rhu rib rig rih rii rio rir rit rob rog roh roi roo ror rot rou rrb rrg rrh rri rrr rrt rru rtb rtg rti rto rtr rtt rtu rub rug ruh rui ruo rur rut ruu tbb tbg tbh tbi tbo tbr tbt tbu tgb tgg tgh tgi tgo tgr tgt tgu th- thb thg thh thi tho thr tht thu tib tig tih tii tio tir tit tiu to- tob tog toh toi too tor tot tou trb trg trh tri tro trr trt tru ttb ttg tth tti tto ttr ttt ttu tub tug tuh tui tuo tur tut tuu ubb ubg ubh ubi ubo ubr ubt ubu ugb ugg ugh ugi ugo ugr ugt ugu uhb uhh uhi uho uhr uht uhu uib uig uii uio uir uit uiu uob uog uoo uor uot ur- urb urg uri uro urr urt uru utb uth uti uto utr utt utu uug uur uut uuu