aaaa aaac aaaf aaal aaca aacc aacf aacl aact aafa aafc aaff aafl aala aalc aall aata aatc aatf aatt ac-t acaa acac acat acca accc accf acct acfc acfl acft acla aclc acta actc actf actl actt afaa afat afca afcc affa affc afft afla aflc afta aftc alaa alac alal alat alca alcc alfa all- alla alll alta at-l at-t ataa atac atal atat atca atcc atcf atcl atfc atla atta caaa caac caaf caal caat cac- caca cacc cafa cafc caff cafl cala calc calf call calt cat- cata catc catf catt ccaa ccac ccaf ccat ccca cccc cccf cccl ccfa ccfc ccff ccfl ccla cclc cctc cctl cctt cfaa cfac cfca cfcf cfcl cfta cftc cftl claf clat cltc ctal ctca ctcf ctfc ctta faaa faac faca facc fact fafa fafc faff fala falc fall falt fata fatc fatf fatt fcal fcat fcca fccf ffcc ffff fftf flac flat flcl ft-c ft-l ftfc laaa laac laal laat laca lacc lacl lact lafc laff laft lala lall lata latc latt lcac lcat lcca lccc lcfc lctl lfat lfca lfcc llat llcc lllc llll ltac ltcc ltfc lttc taa- taaf taal taat taca tacc tacl tact tafa tafc taff taft tala talc tall tata tatt tcca tccc tcfc tctc tfal tfca tftc tlac ttfa ttfc ttff tttt