-ana aaaa aaac aaan aaar aaca aacc aacn aaco aacr aact aana aaon aaoo aara aarc aaro aart aata aatc aatt ac-t acaa acac acan acar acat acca accc acco acct acoa acon acor acot acr- acra acrc acro acrr acta actc acto actt ana- anaa anac anan anao anar anat anca ancc anco anct anna anno annt ano- anoa anon anor anrc ant- anta anto antr antt aoca aono aont aora aorn aort aotc arac aran arar arat arc- arca arco arct arna arno arnt aroa aron aroo aror arr- arra arrc arro arrr arrt arta artc arto artr at-t ataa atac atan atar atat atca atcc atco atcr atna atno atoc aton ator atot atra atrc atrn atro atta attn atto attr caaa caac caan caat cac- caca cacc caco cacr cana canc cann cano cant caor cara carc carn caro carr cart cat- cata catc cato catt ccaa ccac ccar ccat ccca cccc ccna ccnc ccnr ccoc ccra ccrc ccrt cctc cctt cnaa cnac cnco cnna cnrc cnrr cnrt cnta cntc cntr coan coat coca coco coct con- cona conc conn cono cont coon coot cor- cora corc corn coro corr cort cota cotc cotn coto cott crac cran crar crat crca crcc crcr crna croc cron croo cror crot crrt crtc ctan ctca ctor ctot ctrc ctrn ctta cttn naaa naac naan naar naat naca nacc naco nan- nana nann nano nant naoc naor naot nara narc narn naro narr nart nata natc nato natt ncaa ncac ncar ncat ncca nccc nccn nccr ncct ncna ncnc ncoa ncoc ncor ncra ncrc ncta nctc nctr nnnn nnot nntn noaa noac noat noco noct non- nona nonn nono nont noo- noon nooo noor noot nor- nora norc norn noro norr nort not- nota noto nott nrca nrna nroc nron nrrc nrta ntcc ntrc ntto nttr oara ocac ocan ocat occa occc occn occt ocna ocon ocra ocro ocrr oct- octa octo onan onar onat onc- onca onco onct onna onno onon onor onra ont- ontc onto ooaa oocr oona oont oooo oora oort orac oran orao orar orat orca orco orna ornc orno oro- oron oror orot orra orro orta ortc orto otac otan otar oto- oton otoo otor otra otro otta otto raan raat rac- raca racc raco ract rana ranc rann rano rant raoc rara raro rata rato ratt rcac rccc rcnr rcon rctc rnco rnnt rnot roan roar roat roca rocc roco rona ronc rono ront roon roor root rora rorc roro rort rota rotc rotn roto rotr rott rrat rrna rrrr rtan rtca rtcc taa- taan taar taat taca tacc taco tact tana tann tano tant taoa taor tara tarc tarn taro tarr tart tata tato tatr tatt tcca tccc tcnn tcon tctc tnca tncc toan toat toca toco tona tonn tono tooa toon toor toot tora torc torn toro torr tort tota totc toto totr tott traa trac tran trao trat trca trcc trna trno troa troc tron troo trot trra trtc trtr ttcn tton tttt