-ic bbb bbc bbe bbf bbh bbi bbn bbo bbs bcb bcc bce bcf bch bci bcn bco bcs be- beb bec bee bef beh bei ben beo bes bfb bfc bfe bff bfh bfi bfn bfo bfs bhb bhc bhe bhf bhh bhi bho bhs bi- bib bic bie bif bih bii bin bio bis bnb bnc bne bnf bni bnn bno bns bob boc boe bof boh boi bon boo bos bsb bsc bse bsf bsh bsi bsn bso bss c-- cbb cbc cbe cbf cbh cbi cbn cbo cbs ccb ccc cce ccf cch cci ccn cco ccs ce- ceb cec cee cef ceh cei cen ceo ces cfb cfc cfe cff cfh cfi cfn cfo cfs ch- chb chc che chf chh chi chn cho chs ci- cib cic cie cif cih cii cin cio cis cn- cnb cnc cne cnf cnh cni cnn cno cns co- cob coc coe cof coh coi con coo cos csb csc cse csf csh csi csn cso css ebb ebc ebe ebf ebh ebi ebn ebo ebs ec- ecb ecc ece ecf ech eci ecn eco ecs eeb eec eee eef een eeo ees ef- efb efc efe eff efh efi efo efs ehb ehc ehe ehf ehh ehi ehn eho ehs eib eic eie eif eii ein eio eis en- enb enc ene enf enh eni enn eno ens eo- eob eoc eoe eof eoh eoi eon eoo eos es- esb esc ese esf esh esi esn eso ess fbb fbc fbe fbf fbh fbi fbn fbo fbs fcb fcc fce fcf fci fcn fco fcs feb fec fee fef feh fei fen feo fes ffc ffe fff ffh ffi ffn ffo ffs fhb fhc fhe fhf fhh fhi fhn fho fhs fib fic fie fif fih fii fin fis fnb fnc fne fnf fnh fni fnn fns fob foc foe fof foh foi fon foo fos fsb fsc fse fsf fsh fsi fsn fso fss h-i hbb hbc hbe hbf hbh hbi hbn hbo hbs hcb hcc hce hcf hch hci hcn hco hcs he- heb hec hee hef heh hei hen heo hes hfb hfc hfe hff hfh hfi hfn hfo hfs hhb hhc hhe hhf hhh hhi hhn hho hhs hib hic hie hif hih hii hin hio his hnb hnc hne hnf hnh hnn hno hns hob hoc hoe hof hoh hoi hon hoo hos hsb hsc hse hsf hsh hsi hsn hss i-f ibb ibc ibe ibf ibh ibi ibn ibo ibs icb icc ice icf ich ici icn ico ics ie- iec iee ief iei ien ies ifb ifc ife iff ifi ifn ifo ifs ihb ihc ihe ihf ihh ihi ihn iho ihs iib iic iie iif iih iii iin iio iis in- inb inc ine inf inh ini inn ino ins io- iob ioc ioe iof ioh ioi ion ioo ios is- isb isc ise isf ish isi isn iso iss n-i nbb nbc nbe nbf nbi nbn nbo nbs ncb ncc nce ncf nch nci ncn nco ncs ne- neb nec nee nef neh nei nen neo nes nfb nfc nfe nff nfi nfn nfo nfs nhb nhc nhe nhf nhh nhi nhn nhs nib nic nie nif nih nii nin nio nis nnb nnc nne nnf nnh nni nnn nno nns no- nob noc noe nof noh noi non noo nos nsb nsc nse nsf nsh nsi nsn nso nss o-i ob- obb obc obe obf obh obi obn obo obs oc- ocb occ ocf och oci ocn oco ocs oeb oec oee oef oeh oei oen oeo oes of- ofb ofc ofe off ofi ofn ofo ofs ohc ohe ohf ohh ohi ohn oho ohs oib oic oie oif oii oin oio ois on- onb onc one onf onh oni onn ono ons oo- oob ooc oof ooh ooi oon ooo oos os- osb osc ose osf osh osi osn oso oss sbb sbc sbe sbf sbh sbi sbn sbo sbs scb scc sce scf sch sci scn sco scs se- seb sec see sef seh sei sen seo ses sfb sfc sfe sff sfh sfi sfn sfo sfs sh- shb shc she shf shh shi shn sho shs sib sic sie sif sih sii sin sio sis snb snc sne snf sni snn sno sns sob soc soe sof soh soi son soo sos ss- ssb ssc sse ssf ssh ssi ssn sso sss