-ana aaaa aaac aaan aaca aacc aacn aact aana aata aatc aatt ac-t acaa acac acan acat acca accc acct acta actc actt ana- anaa anac anan anat anaz anca ancc anct anna annt ant- anta antt antz anza at-t ataa atac atan atat atca atcc atna atta attn aza- azan azat azaz azca azna azza caaa caac caan caat cac- caca cacc cana canc cann cant canz cat- cata catc catt catz caza ccaa ccac ccat ccca cccc ccna ccnc cctc cctt cnaa cnac cnna cnnz cnta cntc ctan ctca ctta cttn naaa naac naan naat naca nacc nan- nana nann nant nata natc natt naza nazz ncaa ncac ncat ncca nccc nccn ncct ncna ncnc ncta nctc nnnn nntn ntcc nzcc taa- taan taat taca tacc tact tana tann tant tanz tata tatt tatz taza tazz tcca tccc tcnn tctc tnca tncc ttcn tttt tzzt zaan zaat zaca zana zann zant zaza zcta zzzz