-ic bbb bbc bbe bbg bbi bbn bbs bbt bcb bcc bce bcg bci bcn bcs bct be- beb bec bee beg bei ben bes bet bgb bgc bge bgg bgi bgn bgs bgt bi- bib bic bie big bii bin bis bit bnb bnc bne bng bni bnn bns bnt bsb bsc bse bsg bsi bsn bss bst btb btc bte btg bti btn bts btt c-- cbb cbc cbe cbg cbi cbn cbs cbt ccb ccc cce ccg cci ccn ccs cct ce- ceb cec cee ceg cei cen ces cet cgb cgc cge cgg cgi cgn cgs cgt ci- cib cic cie cig cii cin cis cit cn- cnb cnc cne cng cni cnn cns cnt csb csc cse csg csi csn css cst ctb ctc cte ctg cti ctn cts ctt ebb ebc ebe ebg ebi ebn ebs ebt ec- ecb ecc ece ecg eci ecn ecs ect eeb eec eee eeg een ees eet egb egc ege egg egi egn egs egt eib eic eie eig eii ein eis eit en- enb enc ene eng eni enn ens ent es- esb esc ese esg esi esn ess est etb etc ete etg eti etn ets ett gbc gbe gbg gbi gbn gbs gbt gcb gcc gce gcg gci gcn gcs gct ge- geb gec gee geg gei gen ges get ggb ggc ggg ggi ggn ggs ggt gib gic gie gig gii gin gis git gnb gnc gne gni gnn gns gnt gsb gsc gse gsg gsi gsn gss gst gtb gtc gte gtg gti gtn gts gtt ibb ibc ibe ibg ibi ibn ibs ibt icb icc ice icg ici icn ics ict ie- iec iee ieg iei ien ies iet igb igc ige igg igi ign igs igt iib iic iie iii iin iis iit in- inb inc ine ing ini inn ins int is- isb isc ise isg isi isn iss ist itb itc ite itg iti itn its itt n-i nbb nbc nbe nbg nbi nbn nbs nbt ncb ncc nce ncg nci ncn ncs nct ne- neb nec nee neg nei nen nes net ngb ngc nge ngg ngi ngn ngs ngt nib nic nie nig nii nin nis nit nnb nnc nne nng nni nnn nns nnt nsb nsc nse nsg nsi nsn nss nst ntb ntc nte ntg nti ntn nts ntt sbb sbc sbe sbg sbi sbn sbs sbt scb scc sce scg sci scn scs sct se- seb sec see seg sei sen ses set sgb sgc sge sgg sgi sgn sgs sgt sib sic sie sig sii sin sis sit snb snc sne sng sni snn sns snt ss- ssb ssc sse ssg ssi ssn sss sst stb stc ste stg sti stn sts stt tbb tbc tbe tbg tbi tbn tbs tbt tcb tcc tce tcg tci tcn tcs tct te- teb tec tee teg tei ten tes tet tgb tgc tge tgg tgi tgn tgs tgt tib tic tie tig tii tin tis tit tnb tnc tne tng tni tnn tns tnt tsb tsc tse tsg tsi tsn tss tst ttb ttc tte ttg tti ttn tts ttt