aaaa aaac aaal aaca aacc aacl aact aala aalc aall aata aatc aatt ac-t acaa acac acat acca accc acct acla aclc acta actc actt alaa alac alal alat alca alcc all- alla alll alta at-l at-t ataa atac atal atat atca atcc atcl atla atta caaa caac caal caat cac- caca cacc cala calc call calt cat- cata catc catt ccaa ccac ccat ccca cccc cccl ccla cclc cctc cctl cctt clat cltc ctal ctca ctta laaa laac laal laat laca lacc lacl lact lala lall lata latc latt lcac lcat lcca lccc lctl llat llcc lllc llll ltac ltcc lttc taa- taal taat taca tacc tacl tact tala talc tall tata tatt tcca tccc tctc tlac tttt