-ana aaaa aaac aaan aaca aacc aacn aaco aact aana aaon aaoo aata aatc aatt ac-t acaa acac acan acat acca accc acco acct acoa acon acot acta actc acto actt ana- anaa anac anan anao anat anaz anca ancc anco anct anna anno annt ano- anoa anon ant- anta anto antt antz anza aoca aono aont aotc at-t ataa atac atan atat atca atcc atco atna atno atoc aton atot atoz atta attn atto aza- azan azat azaz azca azna azo- azon azoo azot azza azzo caaa caac caan caat cac- caca cacc caco cana canc cann cano cant canz caoz cat- cata catc cato catt catz caza cazo ccaa ccac ccat ccca cccc ccna ccnc ccoc cctc cctt cnaa cnac cnco cnna cnnz cnta cntc coan coat coca coco coct con- cona conc conn cono cont coon coot cota cotc cotn coto cott cozz ctan ctca ctot ctta cttn czon naaa naac naan naat naca nacc naco nan- nana nann nano nant naoc naot nata natc nato natt naza nazo nazz ncaa ncac ncat ncca nccc nccn ncct ncna ncnc ncoa ncoc ncta nctc nnnn nnot nntn noaa noac noat noco noct non- nona nonn nono nont noo- noon nooo noot not- nota noto nott ntcc ntoz ntto nzcc ocac ocan ocat occa occc occn occt ocna ocon oct- octa octo onan onat onc- onca onco onct onna onno onon onoz ont- ontc onto onza onzo ooaa oona oont oooo otac otan oto- oton otoo otta otto ozan ozna ozon taa- taan taat taca tacc taco tact tana tann tano tant tanz taoa tata tato tatt tatz taza tazo tazz tcca tccc tcnn tcon tctc tnca tncc toan toat toca toco tona tonn tono tooa toon toot tota totc toto tott toza tozo ttcn tton tttt tzzt zaan zaat zaca zana zann zano zant zaza zcta zoan zoat zoco zon- zona zoo- zoon zoot zota zott zotz zoza zozo ztoa zzzz