aaaa aaac aaas aaca aacc aaco aacs aact aaoo aasa aasc aass aast aata aatc aatt ac-t acaa acac acas acat acca accc acco accs acct acoa acos acot acsa acsc acss acst acta actc acto acts actt aoca aocs aoss aotc asaa asac asao asas asat asc- asca ascc asco asct asoc asos asot assa assc asso asss asst asta astc asto asts at-t ataa atac atas atat atca atcc atco atcs atoc atos atot atsc atst atta atto atts caaa caac caas caat cac- caca cacc caco caos casa casc caso cass cast cat- cata catc cato cats catt ccaa ccac ccas ccat ccca cccc cccs ccoc ccsa ccss ccst cctc cctt coas coat coca coco coct coos coot cosa cosc coso coss cost cota cotc coto cots cott csaa csac csao csas csat cscc csco cscs csos csot cssa csta cstc csto csts ctca ctos ctot ctsa ctsc ctss ctta ctts oasc oass oast oats ocac ocas ocat occa occc occt ocos ocsa oct- octa octo octs ooaa oooo ooos oosa oost oots osas osat osca oscc osco osoo osos ossa osso osta ostc osts otac otas oto- otoo otos otsa otso otta otto otts s-os sa-c saac saas saat saca sacc saco sacs sact saos sasa sasc saso sass sast sata satc sato sats satt scaa scac scas scat sccc sccs scct scoo scot scsa scsc scso scst sctc scto scts soas soat soca soco socs soos soot sosa soso soss sost sota sotc soto sots ssaa ssac ssao ssas ssat ssca sscc sscs ssoc ssot sssa sssc ssss ssta sstc ssts stac stas stat stca stcc stcs stoa stoo stos stot stss sttc taa- taas taat taca tacc taco tacs tact taoa taos tasa tasc tass tast tata tato tats tatt tcca tccc tcos tctc tcts toas toat toca toco tooa toos toot tosa tosc toso toss tost tota totc toto tots tott tsaa tsao tsat tsca tscc tsos tssa tsst tstc tsts ttss tttt