-ic -th bbb bbc bbh bbi bbn bbt bcb bcc bch bci bcn bct bhb bhc bhh bhi bht bi- bib bic bih bii bin bit bnb bnc bni bnn bnt btb btc bth bti btn btt c-- cbb cbc cbh cbi cbn cbt ccb ccc cch cci ccn cct ch- chb chc chh chi chn cht ci- cib cic cih cii cin cit cn- cnb cnc cnh cni cnn cnt ctb ctc cth cti ctn ctt h-i hbb hbc hbh hbi hbn hbt hcb hcc hch hci hcn hct hhb hhc hhh hhi hhn hht hib hic hih hii hin hit hnb hnc hnh hnn hnt htb htc hth hti htn htt ibb ibc ibh ibi ibn ibt icb icc ich ici icn ict ihb ihc ihh ihi ihn iht iib iic iih iii iin iit in- inb inc inh ini inn int itb itc ith iti itn itt n-i nbb nbc nbi nbn nbt ncb ncc nch nci ncn nct nhb nhc nhh nhi nhn nht nib nic nih nii nin nit nnb nnc nnh nni nnn nnt ntb ntc nth nti ntn ntt tbb tbc tbh tbi tbn tbt tcb tcc tch tci tcn tct th- thb thc thh thi thn tht tib tic tih tii tin tit tnb tnc tnh tni tnn tnt ttb ttc tth tti ttn ttt