-ic bbb bbc bbe bbh bbi bbk bbn bcb bcc bce bch bci bck bcn be- beb bec bee beh bei bek ben bhb bhc bhe bhh bhi bhk bi- bib bic bie bih bii bik bin bkb bkc bke bkk bkn bnb bnc bne bni bnk bnn c-- cbb cbc cbe cbh cbi cbk cbn ccb ccc cce cch cci cck ccn ce- ceb cec cee ceh cei cek cen ch- chb chc che chh chi chk chn ci- cib cic cie cih cii cik cin ckb ckc ckh cki cn- cnb cnc cne cnh cni cnn ebb ebc ebe ebh ebi ebk ebn ec- ecb ecc ece ech eci eck ecn eeb eec eee eek een ehb ehc ehe ehh ehi ehn eib eic eie eii eik ein ekb ekc eke ekh eki en- enb enc ene enh eni enk enn h-i hbb hbc hbe hbh hbi hbk hbn hcb hcc hce hch hci hck hcn he- heb hec hee heh hei hek hen hhb hhc hhe hhh hhi hhk hhn hib hic hie hih hii hik hin hkb hkh hki hkk hkn hnb hnc hne hnh hnk hnn ibb ibc ibe ibh ibi ibk ibn icb icc ice ich ici ick icn ie- iec iee iei iek ien ihb ihc ihe ihh ihi ihk ihn iib iic iie iih iii iin ikb ikc ike iki ikk in- inb inc ine inh ini ink inn kbb kbc kbe kbh kbi kbk kbn kcb kcc kce kch kci kck kcn ke- keb kec kee keh kei kek ken khe khh khi khk khn kib kic kie kih kii kik kin kkb kkc kke kkh kki kkk kkn kn- knc kne kni knk knn n-i nbb nbc nbe nbi nbk nbn ncb ncc nce nch nci nck ncn ne- neb nec nee neh nei nek nen nhb nhc nhe nhh nhi nhk nhn nib nic nie nih nii nik nin nkc nke nki nkk nkn nnb nnc nne nnh nni nnk nnn