bbb bbe bbf bbh bbi be- beb bee bef beh bei bfb bfe bff bfh bfi bhb bhe bhf bhh bhi bi- bib bie bif bih bii ebb ebe ebf ebh ebi eeb eee eef ef- efb efe eff efh efi ehb ehe ehf ehh ehi eib eie eif eii fbb fbe fbf fbh fbi feb fee fef feh fei ffe fff ffh ffi fhb fhe fhf fhh fhi fib fie fif fih fii h-i hbb hbe hbf hbh hbi he- heb hee hef heh hei hfb hfe hff hfh hfi hhb hhe hhf hhh hhi hib hie hif hih hii i-f ibb ibe ibf ibh ibi ie- iee ief iei ifb ife iff ifi ihb ihe ihf ihh ihi iib iie iif iih iii