-ous aaaa aaac aaas aaca aacc aaco aacs aact aacu aaoo aasa aasc aass aast aasu aata aatc aatt aaus ac-t acaa acac acas acat acca accc acco accs acct accu acoa acos acot acou acsa acsc acss acst acta actc acto acts actt actu acu- acuo acus acut aoca aocs aoss aotc aous aout asaa asac asao asas asat asau asc- asca ascc asco asct asoc asos asot asou assa assc asso asss asst assu asta astc asto asts asus at-t ataa atac atas atat atca atcc atco atcs atoc atos atot atsc atst atta atto atts attu atua atuc atus auaa auca auct ausa aust ausu aut- auto auts caaa caac caas caat cac- caca cacc caco caos casa casc caso cass cast casu cat- cata catc cato cats catt catu cauc cauo caus caut ccaa ccac ccas ccat ccca cccc cccs cccu ccoc ccsa ccss ccst cctc cctt ccuc ccus ccut coas coat coca coco coct cocu coos coot cosa cosc coso coss cost cota cotc coto cots cott cotu coua cous cout csaa csac csao csas csat cscc csco cscs csos csot cssa csta cstc csto csts csua csus ctca ctos ctot ctsa ctsc ctss ctsu ctta ctts cuau cuca cucc cusa cuso cuss cust cusu cut- cuta cutc cuto cuts cutt oaau oasc oass oast oats ocac ocas ocat occa occc occt ocos ocsa oct- octa octo octs ooaa oooo ooos oosa oost oots oous osas osat osca oscc osco osoo osos ossa osso ossu osta ostc osts otac otas oto- otoo otos otsa otso otsu otta otto otts ottu otus ouac ouat oucc ousa oust out- outa outo outs ouu- s-os sa-c saac saas saat saca sacc saco sacs sact sacu saos saou sasa sasc saso sass sast sata satc sato sats satt satu saua sauc saus saut scaa scac scas scat sccc sccs scct scoo scot scsa scsc scso scst scsu sctc scto scts scua scut soas soat soca soco socs soos soot sosa soso soss sost sota sotc soto sots sotu sous sout ssaa ssac ssao ssas ssat ssau ssca sscc sscs ssoc ssot sssa sssc ssss ssta sstc ssts stac stas stat stau stca stcc stcs stcu stoa stoo stos stot stou stss sttc stuc stus stut suas suat suc- succ sucs suos sus- susa suso suss sust susu suta suto sutu suus taa- taas taat taca tacc taco tacs tact taoa taos taou tasa tasc tass tast tasu tata tato tats tatt tatu taua tauc taus taut tcca tccc tccu tcos tctc tcts toas toat toau toca toco tooa toos toot tosa tosc toso toss tost tosu tota totc toto tots tott tous tout tsaa tsao tsat tsau tsca tscc tsos tsou tssa tsst tstc tsts ttss tttt tuao tuas tuat tuca tucc tuco tuos tusa tusc tuss tust tuta tuto tuts tutt tutu tuuo uaca uaoc uasa uata uatu uaua ucas ucat ucca ucos ucsa ucsc ucst ucsu ucua ucut uocc us-a usaa usac usas usat usca uscc usco uscs usoc usos ussa ussc usss usst ussu usta ustc usto usts usua usus utac utas utau utsa utsc utto uttu uuoc uuta uuuu