bbb bbc bbe bbg bbh bbk bbn bcb bcc bce bcg bch bck bcn be- beb bec bee beg beh bek ben bgb bgc bge bgg bgh bgk bgn bhb bhc bhe bhg bhh bhk bkb bkc bke bkg bkk bkn bnb bnc bne bng bnk bnn c-- cbb cbc cbe cbg cbh cbk cbn ccb ccc cce ccg cch cck ccn ce- ceb cec cee ceg ceh cek cen cgb cgc cge cgg cgh cgn ch- chb chc che chg chh chk chn ckb ckc ckh cn- cnb cnc cne cng cnh cnn ebb ebc ebe ebg ebh ebk ebn ec- ecb ecc ece ecg ech eck ecn eeb eec eee eeg eek een egb egc ege egg egh egn ehb ehc ehe ehg ehh ehn ekb ekc eke ekg ekh en- enb enc ene eng enh enk enn gbc gbe gbg gbh gbk gbn gcb gcc gce gcg gch gck gcn ge- geb gec gee geg geh gek gen ggb ggc ggg ggh ggn ghb ghc ghe ghg ghh ghn gkb gkh gkn gnb gnc gne gnn hbb hbc hbe hbg hbh hbk hbn hcb hcc hce hcg hch hck hcn he- heb hec hee heg heh hek hen hgb hgc hge hgg hgh hgk hgn hhb hhc hhe hhg hhh hhk hhn hkb hkg hkh hkk hkn hnb hnc hne hng hnh hnk hnn kbb kbc kbe kbh kbk kbn kcb kcc kce kcg kch kck kcn ke- keb kec kee keg keh kek ken kgb kgc kgh khe khh khk khn kkb kkc kke kkh kkk kkn kn- knc kne kng knk knn nbb nbc nbe nbg nbk nbn ncb ncc nce ncg nch nck ncn ne- neb nec nee neg neh nek nen ngb ngc nge ngg ngh ngk ngn nhb nhc nhe nhg nhh nhk nhn nkc nke nkk nkn nnb nnc nne nng nnh nnk nnn