-al -ic a-a a-b a-c a-i aaa aab aac aai aal ab- aba abb abc abi abl ac- aca acb acc aci acl ai- aia aib aic aii ail al- ala alb alc ali all baa bab bac bai bal bba bbb bbc bbi bbl bca bcb bcc bci bcl bi- bia bib bic bii bil bla blb blc bli bll c-- caa cab cac cai cal cba cbb cbc cbi cbl cca ccb ccc cci ccl ci- cia cib cic cii cil cl- cla clb clc cli cll ia- iaa iab iac iai ial iba ibb ibc ibi ibl ica icb icc ici icl iia iib iic iii iil il- ila ilb ilc ili ill la- laa lab lac lai lal lba lbb lbc lbi lbl lca lcb lcc lci lcl lia lib lic lii lil lla llb llc lli lll