-ic bbb bbc bbe bbg bbi bbl bbs bcb bcc bce bcg bci bcl bcs be- beb bec bee beg bei bel bes bgb bgc bge bgg bgi bgl bgs bi- bib bic bie big bii bil bis blb blc ble blg bli bll bls bsb bsc bse bsg bsi bsl bss c-- cbb cbc cbe cbg cbi cbl cbs ccb ccc cce ccg cci ccl ccs ce- ceb cec cee ceg cei cel ces cgb cgc cge cgg cgi cgl cgs ci- cib cic cie cig cii cil cis cl- clb clc cle clg cli cll cls csb csc cse csg csi csl css ebb ebc ebe ebg ebi ebl ebs ec- ecb ecc ece ecg eci ecl ecs eeb eec eee eeg eel ees egb egc ege egg egi egl egs eib eic eie eig eii eil eis elb elc ele elg eli ell els es- esb esc ese esg esi esl ess gbc gbe gbg gbi gbl gbs gcb gcc gce gcg gci gcl gcs ge- geb gec gee geg gei gel ges ggb ggc ggg ggi ggs gib gic gie gig gii gil gis glb glc gle glg gli gll gls gsb gsc gse gsg gsi gsl gss ibb ibc ibe ibg ibi ibl ibs icb icc ice icg ici icl ics ie- iec iee ieg iei iel ies igb igc ige igg igi igl igs iib iic iie iii iil iis il- ilb ilc ile ilg ili ill ils is- isb isc ise isg isi isl iss lbb lbc lbe lbg lbi lbl lbs lcb lcc lce lcg lci lcl lcs leb lec lee leg lei lel les lgb lgc lge lgg lgi lgl lgs lib lic lie lig lii lil lis llb llc lle llg lli lll lls lsb lsc lse lsg lsi lsl lss sbb sbc sbe sbg sbi sbl sbs scb scc sce scg sci scl scs se- seb sec see seg sei sel ses sgb sgc sge sgg sgi sgl sgs sib sic sie sig sii sil sis slb slc sle slg sli sll sls ss- ssb ssc sse ssg ssi ssl sss