-ic -th bbb bbc bbh bbi bbr bbt bcb bcc bch bci bcr bct bhb bhc bhh bhi bhr bht bi- bib bic bih bii bir bit brb brh bri brr brt btb btc bth bti btr btt c-- cbb cbc cbh cbi cbr cbt ccb ccc cch cci ccr cct ch- chb chc chh chi chr cht ci- cib cic cih cii cir cit crb crc crh cri crr crt ctb ctc cth cti ctr ctt h-i hbb hbc hbh hbi hbr hbt hcb hcc hch hci hcr hct hhb hhc hhh hhi hhr hht hib hic hih hii hir hit hr- hrb hrc hrh hri hrr hrt htb htc hth hti htr htt ibb ibc ibh ibi ibr ibt icb icc ich ici icr ict ihb ihc ihh ihi ihr iht iib iic iih iii iir iit ir- irb irc iri irr irt itb itc ith iti itt rbb rbc rbh rbi rbr rbt rcb rcc rch rci rcr rct rh- rhb rhc rhh rhi rhr rht rib ric rih rii rir rit rrb rrc rrh rri rrr rrt rtb rtc rti rtr rtt tbb tbc tbh tbi tbr tbt tcb tcc tch tci tcr tct th- thb thc thh thi thr tht tib tic tih tii tir tit trb trc trh tri trr trt ttb ttc tth tti ttr ttt