-th bbb bbf bbg bbh bbi bbo bbt bbx bfb bff bfg bfh bfi bfo bft bfx bgb bgf bgg bgh bgi bgo bgt bgx bhb bhf bhg bhh bhi bho bht bhx bi- bib bif big bih bii bio bit bix bob bof bog boh boi boo bot box btb btf btg bth bti bto btt btx bxb bxi bxo bxx fbb fbf fbg fbh fbi fbo fbt fbx fff ffg ffh ffi ffo fft ffx fgb fgf fgg fgh fgi fgt fhb fhf fhg fhh fhi fho fib fif fig fih fii fit fix fob fof fog foh foi foo fot fox ftb ftf ftg fth fti fto ftt ftx fxg fxi fxt fxx gbf gbg gbh gbi gbo gbt gbx gfb gff gfh gfi gfo gft gfx ggb ggg ggh ggi ggo ggt ghb ghg ghh ghi gho ght gib gif gig gih gii gio git gob gof gog goh goi goo got gox gtb gtf gtg gth gti gto gtt gtx gxf gxt h-i hbb hbf hbg hbh hbi hbo hbt hbx hfb hff hfg hfh hfi hfo hft hgb hgf hgg hgh hgi hgo hgt hhb hhf hhg hhh hhi hho hht hib hif hig hih hii hio hit hix hob hof hog hoh hoi hoo hot hox htb htf htg hth hti hto htt htx i-f ibb ibf ibg ibh ibi ibo ibt ibx ifb iff ifg ifi ifo ift ifx igb igf igg igh igi igo igt ihb ihf ihg ihh ihi iho iht iib iif iih iii iio iit iix io- iob iof iog ioh ioi ioo iot itb itf itg ith iti ito itt itx ixi o-i ob- obb obf obg obh obi obo obt obx of- ofb off ofg ofi ofo oft ofx ogf ogg ogh ogi ogo ogt ogx ohf ohg ohh ohi oho oht oib oif oii oio oit oo- oob oof oog ooh ooi ooo oot oox ot- otb otf otg oth oti oto ott ox- oxb oxf oxi oxo oxt oxx t-x tbb tbf tbg tbh tbi tbo tbt tfb tff tfg tfh tfi tfo tft tfx tgb tgf tgg tgh tgi tgo tgt th- thb thf thg thh thi tho tht thx tib tif tig tih tii tio tit tix to- tob tof tog toh toi too tot tox ttb ttf ttg tth tti tto ttt ttx txf txi txt xbx xfh xft xfx xgi xht xii xio xit xix xof xog xoi xoo xot xox xtf xti xtx xxi xxo xxx