-ic bbb bbc bbe bbi bbl bcb bcc bce bci bcl bcz be- beb bec bee bei bel bez bi- bib bic bie bii bil biz blb blc ble bli bll blz bze bzz c-- cbb cbc cbe cbi cbl cbz ccb ccc cce cci ccl ccz ce- ceb cec cee cei cel cez ci- cib cic cie cii cil cl- clb clc cle cli cll clz cz- czc cze ebb ebc ebe ebi ebl ec- ecb ecc ece eci ecl eeb eec eee eel eib eic eie eii eil elb elc ele eli ell elz eze ezz ibb ibc ibe ibi ibl ibz icb icc ice ici icl icz ie- iec iee iei iel iib iic iie iii iil il- ilb ilc ile ili ill ilz ize izi izz lbb lbc lbe lbi lbl lcb lcc lce lci lcl leb lec lee lei lel lez lib lic lie lii lil liz llb llc lle lli lll llz lzi zbb zbc zbl zce zcl zeb zec zee zel zez zib zie zil ziz zzz