aaaa aaac aaap aaar aaca aacc aacp aacr aapa aapc aara aarc aarp acaa acac acag acap acar acca accc accp acga acgr acpa acpr acr- acra acrc acrr agac agag agap agar agca agcc agga agra agrp apac apap apar apca apcc apcr apga appa appc appr apra aprc arac arag arap arar arc- arca arga arpa arr- arra arrc arrg arrr caaa caac caap cac- caca cacc cacr caga cagg cagr capa capc capp cara carc carp carr ccaa ccac ccag ccap ccar ccca cccc cccp ccga ccgc ccpa ccpp ccpr ccra ccrc ccrg ccrp cgac cgap cgcc cgcg cpaa cpac cpag cpap cpca cpga cppa crac crag crap crar crca crcc crcr crpc gaap gaar gaga gagg gapa gapp gara garg garp garr gc-c gcaa gcap gccc gcpc gcrg gggg gpaa gpac gpca gpgp gpra gprp grac grap grcc grpc grrr paag paap paar paca paga papa papg papp papr par- para parc parg parp parr pcaa pcap pcca pccc pcgg pcpp pcra pcrc pgaa pgcc pgrc ppac ppap ppar ppcc ppga pppa pppp pprc prag prar prca prcc prcp raag rac- raca racc raga ragg rapa rapc rapp rara rcac rccc rcga rcgc rcrg rpca rpga rrrr