-al -ic a-a a-b a-c a-i aaa aab aac aai aal aas ab- aba abb abc abi abl abs ac- aca acb acc aci acl acs ai- aia aib aic aii ail ais al- ala alb alc ali all als as- asa asb asc asi asl ass baa bab bac bai bal bas bba bbb bbc bbi bbl bbs bca bcb bcc bci bcl bcs bi- bia bib bic bii bil bis bla blb blc bli bll bls bsa bsb bsc bsi bsl bss c-- caa cab cac cai cal cas cba cbb cbc cbi cbl cbs cca ccb ccc cci ccl ccs ci- cia cib cic cii cil cis cl- cla clb clc cli cll cls csa csb csc csi csl css ia- iaa iab iac iai ial ias iba ibb ibc ibi ibl ibs ica icb icc ici icl ics iia iib iic iii iil iis il- ila ilb ilc ili ill ils is- isa isb isc isi isl iss la- laa lab lac lai lal las lba lbb lbc lbi lbl lbs lca lcb lcc lci lcl lcs lia lib lic lii lil lis lla llb llc lli lll lls lsa lsb lsc lsi lsl lss saa sab sac sai sal sas sba sbb sbc sbi sbl sbs sca scb scc sci scl scs sia sib sic sii sil sis sla slb slc sli sll sls ss- ssa ssb ssc ssi ssl sss