-ic bbb bbc bbe bbf bbh bbi bbn bbs bcb bcc bce bcf bch bci bcn bcs be- beb bec bee bef beh bei ben bes bfb bfc bfe bff bfh bfi bfn bfs bhb bhc bhe bhf bhh bhi bhs bi- bib bic bie bif bih bii bin bis bnb bnc bne bnf bni bnn bns bsb bsc bse bsf bsh bsi bsn bss c-- cbb cbc cbe cbf cbh cbi cbn cbs ccb ccc cce ccf cch cci ccn ccs ce- ceb cec cee cef ceh cei cen ces cfb cfc cfe cff cfh cfi cfn cfs ch- chb chc che chf chh chi chn chs ci- cib cic cie cif cih cii cin cis cn- cnb cnc cne cnf cnh cni cnn cns csb csc cse csf csh csi csn css ebb ebc ebe ebf ebh ebi ebn ebs ec- ecb ecc ece ecf ech eci ecn ecs eeb eec eee eef een ees ef- efb efc efe eff efh efi efs ehb ehc ehe ehf ehh ehi ehn ehs eib eic eie eif eii ein eis en- enb enc ene enf enh eni enn ens es- esb esc ese esf esh esi esn ess fbb fbc fbe fbf fbh fbi fbn fbs fcb fcc fce fcf fci fcn fcs feb fec fee fef feh fei fen fes ffc ffe fff ffh ffi ffn ffs fhb fhc fhe fhf fhh fhi fhn fhs fib fic fie fif fih fii fin fis fnb fnc fne fnf fnh fni fnn fns fsb fsc fse fsf fsh fsi fsn fss h-i hbb hbc hbe hbf hbh hbi hbn hbs hcb hcc hce hcf hch hci hcn hcs he- heb hec hee hef heh hei hen hes hfb hfc hfe hff hfh hfi hfn hfs hhb hhc hhe hhf hhh hhi hhn hhs hib hic hie hif hih hii hin his hnb hnc hne hnf hnh hnn hns hsb hsc hse hsf hsh hsi hsn hss i-f ibb ibc ibe ibf ibh ibi ibn ibs icb icc ice icf ich ici icn ics ie- iec iee ief iei ien ies ifb ifc ife iff ifi ifn ifs ihb ihc ihe ihf ihh ihi ihn ihs iib iic iie iif iih iii iin iis in- inb inc ine inf inh ini inn ins is- isb isc ise isf ish isi isn iss n-i nbb nbc nbe nbf nbi nbn nbs ncb ncc nce ncf nch nci ncn ncs ne- neb nec nee nef neh nei nen nes nfb nfc nfe nff nfi nfn nfs nhb nhc nhe nhf nhh nhi nhn nhs nib nic nie nif nih nii nin nis nnb nnc nne nnf nnh nni nnn nns nsb nsc nse nsf nsh nsi nsn nss sbb sbc sbe sbf sbh sbi sbn sbs scb scc sce scf sch sci scn scs se- seb sec see sef seh sei sen ses sfb sfc sfe sff sfh sfi sfn sfs sh- shb shc she shf shh shi shn shs sib sic sie sif sih sii sin sis snb snc sne snf sni snn sns ss- ssb ssc sse ssf ssh ssi ssn sss