-th bbb bbc bbe bbh bbn bbt bcb bcc bce bch bcn bct be- beb bec bee beh ben bet bhb bhc bhe bhh bht bnb bnc bne bnn bnt btb btc bte bth btn btt c-- cbb cbc cbe cbh cbn cbt ccb ccc cce cch ccn cct ce- ceb cec cee ceh cen cet ch- chb chc che chh chn cht cn- cnb cnc cne cnh cnn cnt ctb ctc cte cth ctn ctt ebb ebc ebe ebh ebn ebt ec- ecb ecc ece ech ecn ect eeb eec eee een eet ehb ehc ehe ehh ehn eht en- enb enc ene enh enn ent etb etc ete eth etn ett hbb hbc hbe hbh hbn hbt hcb hcc hce hch hcn hct he- heb hec hee heh hen het hhb hhc hhe hhh hhn hht hnb hnc hne hnh hnn hnt htb htc hte hth htn htt nbb nbc nbe nbn nbt ncb ncc nce nch ncn nct ne- neb nec nee neh nen net nhb nhc nhe nhh nhn nht nnb nnc nne nnh nnn nnt ntb ntc nte nth ntn ntt tbb tbc tbe tbh tbn tbt tcb tcc tce tch tcn tct te- teb tec tee teh ten tet th- thb thc the thh thn tht tnb tnc tne tnh tnn tnt ttb ttc tte tth ttn ttt