aaaa aaac aaar aaca aacc aaco aacr aact aaoo aara aarc aaro aart aata aatc aatt ac-t acaa acac acar acat acca accc acco acct acoa acor acot acr- acra acrc acro acrr acta actc acto actt aoca aora aort aotc arac arar arat arc- arca arco arct aroa aroo aror aroz arr- arra arrc arro arrr arrt arta artc arto artr artz arza arzo at-t ataa atac atar atat atca atcc atco atcr atoc ator atot atoz atra atrc atro atta atto attr aza- azar azat azaz azca azo- azoo azor azot azra azza azzo caaa caac caat cac- caca cacc caco cacr caor caoz cara carc caro carr cart cat- cata catc cato catt catz caza cazo ccaa ccac ccar ccat ccca cccc ccoc ccra ccrc ccrt cctc cctt coat coca coco coct coot cor- cora corc coro corr cort cota cotc coto cott cozz crac crar crat crca crcc crcr crcz croc croo cror crot croz crrt crtc ctca ctor ctot ctrc ctta czar oara ocac ocat occa occc occt ocra ocro ocrr oct- octa octo ooaa oocr oooo oora oort orac orao orar orat orca orco oro- oror orot oroz orra orro orta ortc orto orzo otac otar oto- otoo otor otra otro otta otto ozar raat raaz rac- raca racc raco ract raoc rara raro rarz rata rato ratt ratz raza razo razr razz rcac rccc rctc roar roat roca rocc roco roor root rooz rora rorc roro rort rota rotc roto rotr rott roza rozz rrat rrrr rtca rtcc taa- taar taat taca tacc taco tact taoa taor tara tarc taro tarr tart tata tato tatr tatt tatz taza tazo tazr tazz tcca tccc tctc toat toca toco tooa toor toot tora torc toro torr tort tota totc toto totr tott toza tozo traa trac trao trat traz trca trcc troa troc troo trot trra trtc trtr tttt tzar tzzt z-ro zaar zaat zaca zara zaro zarr zaza zcar zcta zoar zoat zoco zoo- zoot zora zorc zoro zort zota zott zotz zoza zozo ztoa zzzz