aaaa aaac aaap aaca aacc aaco aacp aact aaoo aapa aapc aapo aapt aata aatc aatt ac-t acaa acac acap acat acca accc acco accp acct acoa acop acot acpa acpt acta actc acto actt aoca aopo aotc apac apao apap apat apca apcc apco apo- apoc apoo apop apot appa appc appt apta aptc aptt at-t ataa atac atap atat atca atcc atco atoc atop atot atta atto attp caaa caac caap caat cac- caca cacc caco capa capc capo capp capt cat- cata catc cato catt ccaa ccac ccap ccat ccca cccc cccp ccoc ccpa ccpp cctc cctt coat coca coco cocp coct coop coot copa copo copp copt cota cotc coto cott cpaa cpac cpap cpca cppa cptp ctca ctcp ctot ctpo ctpp ctta ocac ocap ocat occa occc occt ocpa ocpp oct- octa octo ooaa oooo ootp opap opca opo- oppa oppo opto otac otap oto- otoo otpp otta otto paap paat paca paco pact paoc papa papp pata pato patt pcaa pcap pcca pccc pcoa pcpp poat poca poco poop poot pop- popa popc popo popp popt pota potc poto pott ppac ppap ppcc ppoa pppa pppo pppp ppta pptt ptca ptcc ptop pttc taa- taat taca tacc taco tact taoa tapa tapo tapp tapt tata tato tatt tcap tcca tccc tcpa tcpo tctc toat toca toco tooa toot top- topa topo topp topt tota totc toto tott tpac tpap tpcp tppa tppp tptp ttcp ttop tttt