-al -ic a-a a-b a-c a-i aaa aab aac aae aai aal ab- aba abb abc abe abi abl ac- aca acb acc ace aci acl aea aeb aec aee aei ael ai- aia aib aic aie aii ail al- ala alb alc ale ali all baa bab bac bae bai bal bba bbb bbc bbe bbi bbl bca bcb bcc bce bci bcl be- bea beb bec bee bei bel bi- bia bib bic bie bii bil bla blb blc ble bli bll c-- caa cab cac cae cai cal cba cbb cbc cbe cbi cbl cca ccb ccc cce cci ccl ce- cea ceb cec cee cei cel ci- cia cib cic cie cii cil cl- cla clb clc cle cli cll eaa eab eac eae eai eal eba ebb ebc ebe ebi ebl ec- eca ecb ecc ece eci ecl eea eeb eec eee eel eia eib eic eie eii eil ela elb elc ele eli ell ia- iaa iab iac iae iai ial iba ibb ibc ibe ibi ibl ica icb icc ice ici icl ie- iea iec iee iei iel iia iib iic iie iii iil il- ila ilb ilc ile ili ill la- laa lab lac lae lai lal lba lbb lbc lbe lbi lbl lca lcb lcc lce lci lcl lea leb lec lee lei lel lia lib lic lie lii lil lla llb llc lle lli lll