-th bbb bbf bbg bbh bbi bbo bbs bbt bfb bff bfg bfh bfi bfo bfs bft bgb bgf bgg bgh bgi bgo bgs bgt bhb bhf bhg bhh bhi bho bhs bht bi- bib bif big bih bii bio bis bit bob bof bog boh boi boo bos bot bsb bsf bsg bsh bsi bso bss bst btb btf btg bth bti bto bts btt fbb fbf fbg fbh fbi fbo fbs fbt fff ffg ffh ffi ffo ffs fft fgb fgf fgg fgh fgi fgs fgt fhb fhf fhg fhh fhi fho fhs fib fif fig fih fii fis fit fob fof fog foh foi foo fos fot fsb fsf fsg fsh fsi fso fss fst ftb ftf ftg fth fti fto fts ftt gbf gbg gbh gbi gbo gbs gbt gfb gff gfh gfi gfo gfs gft ggb ggg ggh ggi ggo ggs ggt ghb ghg ghh ghi gho ghs ght gib gif gig gih gii gio gis git gob gof gog goh goi goo gos got gsb gsf gsg gsi gso gss gst gtb gtf gtg gth gti gto gts gtt h-i hbb hbf hbg hbh hbi hbo hbs hbt hfb hff hfg hfh hfi hfo hfs hft hgb hgf hgg hgh hgi hgo hgs hgt hhb hhf hhg hhh hhi hho hhs hht hib hif hig hih hii hio his hit hob hof hog hoh hoi hoo hos hot hsb hsf hsg hsh hsi hss hst htb htf htg hth hti hto hts htt i-f ibb ibf ibg ibh ibi ibo ibs ibt ifb iff ifg ifi ifo ifs ift igb igf igg igh igi igo igs igt ihb ihf ihg ihh ihi iho ihs iht iib iif iih iii iio iis iit io- iob iof iog ioh ioi ioo ios iot is- isb isf isg ish isi iso iss ist itb itf itg ith iti ito its itt o-i ob- obb obf obg obh obi obo obs obt of- ofb off ofg ofi ofo ofs oft ogf ogg ogh ogi ogo ogs ogt ohf ohg ohh ohi oho ohs oht oib oif oii oio ois oit oo- oob oof oog ooh ooi ooo oos oot os- osb osf osg osh osi oso oss ost ot- otb otf otg oth oti oto ots ott sbb sbf sbg sbh sbi sbo sbs sbt sfb sff sfg sfh sfi sfo sfs sft sgb sgf sgg sgh sgi sgo sgs sgt sh- shb shf shg shh shi sho shs sht sib sif sig sih sii sio sis sit sob sof sog soh soi soo sos sot ss- ssb ssf ssg ssh ssi sso sss sst stb stf stg sth sti sto sts stt tbb tbf tbg tbh tbi tbo tbs tbt tfb tff tfg tfh tfi tfo tfs tft tgb tgf tgg tgh tgi tgo tgs tgt th- thb thf thg thh thi tho ths tht tib tif tig tih tii tio tis tit to- tob tof tog toh toi too tos tot tsb tsf tsg tsh tsi tso tss tst ttb ttf ttg tth tti tto tts ttt