aaaa aaac aaal aaar aaca aacc aacl aacr aact aala aalc aall aara aarc aart aata aatc aatt ac-t acaa acac acar acat acca accc acct acla aclc aclr acr- acra acrc acrr acta actc actl actt alaa alac alal alar alat alca alcc all- alla alll allr alta arac aral arar arat arc- arca arct arla arr- arra arrc arrr arrt arta artc artr at-l at-t ataa atac atal atar atat atca atcc atcl atcr atla atra atrc atta attr caaa caac caal caat cac- caca cacc cacr cala calc call calt cara carc carl carr cart cat- cata catc catt ccaa ccac ccar ccat ccca cccc cccl ccla cclc ccra ccrc ccrl ccrt cctc cctl cctt clar clat clra cltc crac crar crat crca crcc crcr crrt crtc crtl ctal ctca ctrc ctrl ctta laaa laac laal laar laat laca lacc lacl lact lala lall lara larc larr lart lata latc latt lcac lcat lcca lccc lcra lcrl lctl llat llcc lllc llll lrac lral lrat lrrc lrrr lrta ltac ltcc ltra lttc lttr raat rac- raca racc ract rala rall ralt rara rata ratt rcac rccc rctc rrat rrrr rtca rtcc rtlt taa- taal taar taat taca tacc tacl tact tala talc tall tara tarc tarr tart tata tatr tatt tcca tccc tctc tlac traa trac tral trat trca trcc trcl trra trtc trtr tttt