-ic -th bbb bbc bbf bbg bbh bbi bbt bcb bcc bcf bcg bch bci bct bfb bfc bff bfg bfh bfi bft bgb bgc bgf bgg bgh bgi bgt bhb bhc bhf bhg bhh bhi bht bi- bib bic bif big bih bii bit btb btc btf btg bth bti btt c-- cbb cbc cbf cbg cbh cbi cbt ccb ccc ccf ccg cch cci cct cfb cfc cff cfg cfh cfi cft cgb cgc cgg cgh cgi cgt ch- chb chc chf chg chh chi cht ci- cib cic cif cig cih cii cit ctb ctc ctf ctg cth cti ctt fbb fbc fbf fbg fbh fbi fbt fcb fcc fcf fcg fci fct ffc fff ffg ffh ffi fft fgb fgc fgf fgg fgh fgi fgt fhb fhc fhf fhg fhh fhi fib fic fif fig fih fii fit ftb ftc ftf ftg fth fti ftt gbc gbf gbg gbh gbi gbt gcb gcc gcf gcg gch gci gct gfb gfc gff gfh gfi gft ggb ggc ggg ggh ggi ggt ghb ghc ghg ghh ghi ght gib gic gif gig gih gii git gtb gtc gtf gtg gth gti gtt h-i hbb hbc hbf hbg hbh hbi hbt hcb hcc hcf hcg hch hci hct hfb hfc hff hfg hfh hfi hft hgb hgc hgf hgg hgh hgi hgt hhb hhc hhf hhg hhh hhi hht hib hic hif hig hih hii hit htb htc htf htg hth hti htt i-f ibb ibc ibf ibg ibh ibi ibt icb icc icf icg ich ici ict ifb ifc iff ifg ifi ift igb igc igf igg igh igi igt ihb ihc ihf ihg ihh ihi iht iib iic iif iih iii iit itb itc itf itg ith iti itt tbb tbc tbf tbg tbh tbi tbt tcb tcc tcf tcg tch tci tct tfb tfc tff tfg tfh tfi tft tgb tgc tgf tgg tgh tgi tgt th- thb thc thf thg thh thi tht tib tic tif tig tih tii tit ttb ttc ttf ttg tth tti ttt