-ic bbb bbc bbe bbg bbi bbn bbs bcb bcc bce bcg bci bcn bcs be- beb bec bee beg bei ben bes bgb bgc bge bgg bgi bgn bgs bi- bib bic bie big bii bin bis bnb bnc bne bng bni bnn bns bsb bsc bse bsg bsi bsn bss c-- cbb cbc cbe cbg cbi cbn cbs ccb ccc cce ccg cci ccn ccs ce- ceb cec cee ceg cei cen ces cgb cgc cge cgg cgi cgn cgs ci- cib cic cie cig cii cin cis cn- cnb cnc cne cng cni cnn cns csb csc cse csg csi csn css ebb ebc ebe ebg ebi ebn ebs ec- ecb ecc ece ecg eci ecn ecs eeb eec eee eeg een ees egb egc ege egg egi egn egs eib eic eie eig eii ein eis en- enb enc ene eng eni enn ens es- esb esc ese esg esi esn ess gbc gbe gbg gbi gbn gbs gcb gcc gce gcg gci gcn gcs ge- geb gec gee geg gei gen ges ggb ggc ggg ggi ggn ggs gib gic gie gig gii gin gis gnb gnc gne gni gnn gns gsb gsc gse gsg gsi gsn gss ibb ibc ibe ibg ibi ibn ibs icb icc ice icg ici icn ics ie- iec iee ieg iei ien ies igb igc ige igg igi ign igs iib iic iie iii iin iis in- inb inc ine ing ini inn ins is- isb isc ise isg isi isn iss n-i nbb nbc nbe nbg nbi nbn nbs ncb ncc nce ncg nci ncn ncs ne- neb nec nee neg nei nen nes ngb ngc nge ngg ngi ngn ngs nib nic nie nig nii nin nis nnb nnc nne nng nni nnn nns nsb nsc nse nsg nsi nsn nss sbb sbc sbe sbg sbi sbn sbs scb scc sce scg sci scn scs se- seb sec see seg sei sen ses sgb sgc sge sgg sgi sgn sgs sib sic sie sig sii sin sis snb snc sne sng sni snn sns ss- ssb ssc sse ssg ssi ssn sss