aaaa aaac aaad aaas aaca aacc aacd aacs aact aada aadc aads aadt aasa aasc aasd aass aast aata aatc aatt ac-t acaa acac acad acas acat acca accc accd accs acct acda acdc acds acdt acsa acsc acsd acss acst acta actc acts actt adaa adac adad adas adat adcc adcs adda addc addd adds adsa adss adst adta adts asaa asac asad asas asat asc- asca ascc asct asda asds assa assc assd asss asst asta astc asts at-t ataa atac atad atas atat atca atcc atcs atdt atsc atst atta atts c-cd caaa caac caas caat cac- caca cacc cada cadc cadd cads casa casc casd cass cast cat- cata catc catd cats catt ccaa ccac ccad ccas ccat ccca cccc cccs ccdc ccds ccsa ccsd ccss ccst cctc cctt cdaa cdac cdad cdcs cdda cdss csaa csac csas csat cscc cscd cscs csda cssa cssd csta cstc cstd csts ctca ctsa ctsc ctss ctta ctts daad daas daca dacs dact dada dads dasa dasc dasd dass dast data dats datt dcas dcca dccc dccs dcct dcds dcsc dcss dctc dcts dddd ddss ddts dsac dscc dscs dsda dssa dssc dsst dstc dsts dtaa dtac dtcc dtss sa-c saac saad saas saat saca sacc sacd sacs sact sada sadc sadd sads sadt sasa sasc sasd sass sast sata satc satd sats satt scaa scac scad scas scat sccc sccs scct scda scdc scds scsa scsc scsd scst sctc sctd scts sdcc sddc sdds sdsc sdss ssaa ssac ssas ssat ssca sscc sscs ssdc ssdd sssa sssc ssss ssta sstc sstd ssts stac stad stas stat stca stcc stcs stds stss sttc sttd taa- taas taat taca tacc tacs tact tada tads tasa tasc tass tast tata tats tatt tcad tcca tccc tcdd tctc tcts tdac tdss tsaa tsat tsca tscc tssa tsst tstc tsts ttss tttt