-ous aaaa aaab aaac aaap aaas aaba aabb aabc aabp aabt aaca aacb aacc aaco aacp aacs aact aacu aaoo aapa aapc aapo aaps aapt aasa aasc aass aast aasu aata aatc aatt aaup aaus abaa abab abac abap abas abat abau abb- abba abbb abbo abbs abbt abca abcb abcc abcp abcs abct aboa abob aboo abos abot abou abpa abpc abpp abps abs- absa absp abss absu abta abts abtu abua abus abut ac-t acaa acab acac acap acas acat acba acca accc acco accp accs acct accu acoa acop acos acot acou acpa acps acpt acpu acsa acsc acss acst acta actc acto acts actt actu acu- acuo acup acus acut aoba aoca aocs aopo aosp aoss aotc aous aout apac apao apap apas apat apba apbs apca apcb apcc apco apcs apo- apoc apoo apop apos apot apou appa appc apps appt appu apsa apso apss apsu apta aptc apts aptt apua apuc apup apus asaa asab asac asao asap asas asat asau asba asbo asbu asc- asca ascb ascc asco ascp asct asob asoc asop asos asot asou aspa aspc aspo asps aspt assa assc asso assp asss asst assu asta astb astc asto astp asts asub asus at-t ataa atab atac atap atas atat atbs atca atcc atco atcs atob atoc atop atos atot atsb atsc atst atta atto attp atts attu atua atub atuc atus auaa auca aucp auct aupc aups ausa aust ausu aut- auto auts baaa baas baat baba babb babo babs babu bac- baca bacc baco bacs bact baos bapa bapc bapp baps bapt bapu basa basc baso bass bast basu bata batc bato bats batt batu bau- bbas bbau bbbb bbbs bcaa bcap bcas bcat bcbc bcbp bcbs bcca bccc bccs bcos bcpp bcps bcsa bcsc bcss bctc bcts bcuc bcup boab boac boas boat boba bobb bobo bobs bobu boca boco bocs bocu boob booc boop boos boot bopa bopp bops bosa bosc boso boss bost bosu bota botb boto bots bott boua boup bous bout bpcp bpot bpsa bpsu bsaa bsac bsap bsas bsat bscp bscs bsos bspp bssc bsts bsup btaa btbp btcc btcs btob btps btss bttb btus buat buba bubb bubo bubs bubu buca bucc buco bucs bucu bupa bupc bups busa busc buss bust busu but- buta buto buts butt buus c-bo caaa caab caac caap caas caat caba cabo cabs cabu cac- caca cacc caco caos capa capb capc capo capp caps capt capu casa casb casc caso casp cass cast casu cat- cata catb catc cato cats catt catu cauc cauo caup caus caut cbac cbat cbbc cbbs cbca cbcc cbcp cbcs cbct cbcu cbot cbpc cbpp cbsa cbsc cbta cbtc cbus ccaa ccab ccac ccap ccas ccat ccba ccbc ccca cccb cccc cccp cccs cccu ccob ccoc ccpa ccpp ccps ccsa ccsp ccss ccst cctb cctc cctt ccuc ccup ccus ccut coas coat coba cobb cobo cobs cobu coca coco cocp coct cocu coob coop coos coot copa copo copp cops copt cosa cosc coso cosp coss cost cota cotb cotc coto cots cott cotu coua coub coup cous cout cpaa cpac cpap cpas cpbc cpca cpcs cpcu cpos cppa cpps cpsa cpsc cpso cpsu cptp cpts cpus csaa csab csac csao csas csat cscb cscc csco cscs csob csos csot cspa cspb cspc csps cspt cssa csta cstc csto csts csua csup csus ctab ctba ctbs ctca ctcp ctos ctot ctpo ctpp ctps ctsa ctsc ctss ctsu ctta ctts cuau cub- cuba cubb cubs cuca cucc cupo cupp cups cusa cusb cuso cusp cuss cust cusu cut- cuta cutc cuto cuts cutt oaau oaps oasc oass oast oats obas obba obbo obos obot obss obst obts obus ocab ocac ocap ocas ocat ocbc occa occc occt ocos ocpa ocpp ocsa oct- octa octo octs ooaa ooba oooo ooos oops oosa oost ootb ootp oots oous opap opca opo- opos oppa oppo opps opsa opsu opto opts opua opus osap osas osat osba osbp osca oscc osco osoo osos ossa ossb osso ossu osta ostc osts otac otap otas otbs oto- otoo otos otpp otsa otso otsu otta otto otts ottu otus ouac ouat oubs oucc oupa ousa oust out- outa outb outo outs ouu- paap paas paat paba pabt pabu paca paco pacs pact pacu paoc paos papa papb papp paps pasa pasc paso pasp pass past pata pato pats patt patu paua paup paus paut pbac pbcc pboc pbpa pbsa pbsp pcaa pcap pcas pcba pcbc pcbs pcca pccc pccs pcoa pcos pcpb pcpp pcps pcsa pcso pcts poas poat poba pobo pobs poca poco pocs poop poos poot pop- popa popc popo popp pops popt posa posb poso poss post pota potc poto pots pott potu poup pous pout ppac ppap ppcc ppcs ppoa ppos pppa pppo pppp ppps ppss ppta ppts pptt psac psap psas psat psbt psca psco pscu psoa psoc psos psou pspp psps pssa pssc psso psst psts pstu ptab ptas ptca ptcc ptop ptsa pttc puao puas pubs pubu puca pupa pups pupu pusa puss pust put- puta puto puts putt putu puuc s-os sa-c saab saac saap saas saat saba sabb sabc sabo sabs sabu saca sacc saco sacs sact sacu saos saou sapa sapo sapp saps sasa sasc saso sass sast sata satb satc sato sats satt satu saua sauc saup saus saut sbaa sbac sbas sbbs sbca sbcc sbcs sbct sbot sbsa sbsp sbst sbtc sbus scaa scab scac scap scas scat scba sccc sccp sccs scct scob scoo scop scot scpa scpb scpo scps scpt scsa scsc scso scst scsu sctc scto scts scua scub scup scut soap soas soat soba sobo sobp sobs sobt sobu soca soco socs soop soos soot sopa sopo sopp sops sopu sosa soso soss sost sota sotc soto sotp sots sotu soup sous sout sp-a spac spap spas spat spau spca spcc spco spcs spoc spoo spop spos spot spps spsa spso spsp spss spst spta sptb sptc spto spts spus sput