-ana aaaa aaab aaac aaan aaap aaas aaba aabb aabc aabp aabt aaca aacb aacc aacn aaco aacp aacs aact aana aanp aaon aaoo aapa aapc aapo aaps aapt aasa aasc aass aast aata aatc aatt abaa abab abac aban abap abas abat abb- abba abbb abbo abbs abbt abca abcb abcc abcn abcp abcs abct aboa abob abon aboo abos abot abpa abpc abpn abpp abps abs- absa absp abss abta abts ac-t acaa acab acac acan acap acas acat acba acca accc acco accp accs acct acoa acon acop acos acot acpa acps acpt acsa acsc acss acst acta actc acto acts actt ana- anaa anab anac anan anao anap anas anat anba anbb anbo anca ancc anco anct anna annb anno anns annt ano- anoa anon anos anp- anpa anpp ansa anso ansp ant- anta anto ants antt aoba aoca aocs aonb aono aont aopo aosp aoss aotc apac apan apao apap apas apat apba apbs apca apcb apcc apcn apco apcs apna apno apo- apoc apon apoo apop apos apot appa appc apps appt apsa apso apss apta aptc aptn apts aptt asaa asab asac asan asao asap asas asat asba asbo asc- asca ascb ascc asco ascp asct asnc asno asob asoc ason asop asos asot aspa aspc aspo asps aspt assa assc assn asso assp asss asst asta astb astc asto astp asts at-t ataa atab atac atan atap atas atat atbs atca atcc atco atcs atna atno atns atob atoc aton atop atos atot atsb atsc atst atta attn atto attp atts baaa baan baas baat baba babb babo babs bac- baca bacc bacn baco bacs bact bana banc bann bano banp bans bant baon baos bapa bapc bapp baps bapt basa basc baso bass bast bata batc batn bato bats batt bbas bbbb bbbs bcaa bcap bcas bcat bcbc bcbp bcbs bcca bccc bccs bcos bcpp bcps bcsa bcsc bcsn bcss bctc bcts bnas bnoc bnpp bnss bnta boab boac boan boas boat boba bobb bobo bobs boca boco bocs bona bonc bonn bono bons bont boob booc boon boop boos boot bopa bopp bops bosa bosc bosn boso boss bost bota botb botn boto bots bott bpcp bpot bpsa bsaa bsac bsap bsas bsat bscp bscs bsns bson bsos bspp bssc bsts btaa btan btbp btcc btcs btob btps btss bttb c-bo caaa caab caac caan caap caas caat caba cabo cabs cac- caca cacc caco cana canc cann cano canp cans cant caos capa capb capc capn capo capp caps capt casa casb casc caso casp cass cast cat- cata catb catc cato cats catt cbac cbat cbbc cbbs cbca cbcc cbcn cbcp cbcs cbct cbna cbot cbpc cbpp cbsa cbsc cbsn cbta cbtc ccaa ccab ccac ccap ccas ccat ccba ccbc ccbn ccca cccb cccc cccp cccs ccna ccnb ccnc ccnp ccns ccob ccoc ccpa ccpn ccpp ccps ccsa ccsn ccsp ccss ccst cctb cctc cctt cnaa cnac cnap cnas cnbc cnbp cnco cncp cnna cnpa cnsa cnss cnta cntc coan coas coat coba cobb cobo cobs coca coco cocp coct con- cona conc conn cono cons cont coob coon coop coos coot copa copo copp cops copt cosa cosc coso cosp coss cost cota cotb cotc cotn coto cots cott cpaa cpac cpan cpap cpas cpbc cpca cpcs cpnb cpns cpnt cpos cppa cpps cpsa cpsc cpso cptp cpts csaa csab csac csao csas csat cscb cscc csco cscs csnp csob csos csot cspa cspb cspc csps cspt cssa csta cstc csto csts ctab ctan ctba ctbs ctca ctcp ctns ctos ctot ctpo ctpp ctps ctsa ctsc ctsn ctss ctta cttn ctts naaa naab naac naan naas naat naba nabc nabo nabs naca nacc naco nacp nacs nan- nana nanb nann nano nanp nans nant naoc naos naot napa napb napo napp naps napt nas- nasa nasb nasc naso nasp nass nast nata natc nato natp nats natt nbaa nbap nbas nbbc nbbo nbca nbcc nbco nbcs nbpa nbpp nbps nbsp ncaa ncac ncap ncat ncba ncbc ncbs ncca nccc nccn nccp nccs ncct ncna ncnc ncoa ncoc ncos ncpa ncpc ncsa ncsc ncss ncst ncta nctc nnnn nnos nnot nnsa nnss nntn noaa noac noap noat noba nobc nobo nobs noco nocs noct non- nona nonn nono nons nont noo- noob noon nooo noop noos noot nops nos- nosa noss nost not- nota noto nots nott npac npap npas npat npca npcc nppa nppc npsa npss npta nptc nptn nsaa nsac nsbo nsca nscc nscs nsna nsos nspc nsps nssa nssb nssc nsso nssp nsss nstc nstp nsts ntap ntbc ntcc ntop ntpa ntpc ntsb ntsc ntss ntto oaps oasc oass oast oats oban obas obba obbo obon obos obot obsn obss obst obts ocab ocac ocan ocap ocas ocat ocbc occa occc occn occt ocna ocon ocos ocpa ocpp ocsa oct- octa octo octs onab onan onas onat onc- onca onco onct onna onno onon onos onpt onsc onso onst ont- ontc onto ooaa ooba oona oons oont oooo ooos oops oosa oost ootb ootp oots opan opap opca opo- opon opos oppa oppo opps opsa optn opto opts osan osap osas osat osba osbp osca oscc osco osno osoo osos ossa ossb osso osta ostc osts otac otan otap otas otbs oto- oton otoo otos otpp otsa otso otta otto otts paan paap paas paat paba pabt paca paco pacs pact pan- pana panc pann pano pans pant paoc paon paos papa papb papp paps pasa pasc paso pasp pass past pata pato pats patt pbac pban pbcc pboc pbpa pbsa pbsp pcaa pcap pcas pcba pcbc pcbs pcca pccc pccs pcns pcnt pcoa pcos pcpb pcpn pcpp pcps pcsa pcso pcts pnac pnas pnca pnon pnot pnpo pnpp pnsc poan poas poat poba pobo pobs poca poco pocs pona ponc pono ponp pons pont poon poop poos poot pop- popa popc popo popp pops popt posa posb posn poso poss post pota potc poto pots pott ppac ppan ppap ppcc ppcs ppoa ppos pppa