a-ha aaaa aaab aaac aaah aaap aaar aaba aabb aabc aabh aabp aaca aacb aacc aach aacp aacr aagh aaha aapa aapc aaph aara aarc aarp abaa abab abac abag abap abar abb- abba abbb abbr abca abcb abcc abch abcp abcr abha abhr abpa abpc abpp abpr abra abrc acaa acab acac acag acap acar acba acca accc acch accp acga acgr acha achh achp achr acpa acpr acr- acra acrc acrr agac agag agap agar agba agca agcc agga agha agra agrp ahab ahac ahah ahar ahha ahra ahrc ahrr apac apah apap apar apba apbg apbr apca apcb apcc apcr apga aph- apha aphc appa appc apph appr apra aprc arab arac arag arah arap arar arba arbh arc- arca arch arga argb argh arh- arpa arr- arra arrc arrg arrh arrr baaa baah baar baba babb babr bac- baca bacc bach baga bagg bagh baha bahr bapa bapc bapp bar- bara barb barc barg barh barr bbbb bbch bbga bbpr bbrc bbrg bcaa bcap bcar bcbc bcbg bcbp bcca bccc bcpp bcra bgca bhag bhar bhca bhcc bhra bpcp bphc bprc brab brac brag brah brca brcb brrr caaa caab caac caah caap caba cabg cac- caca cacc cach cacr caga cagg cagr caha capa capb capc caph capp cara carb carc carp carr cbac cbar cbbc cbca cbcc cbcp cbcr cbga cbgb cbha cbpc cbpp cbrh ccaa ccab ccac ccag ccap ccar ccba ccbc ccca cccb cccc cccp ccga ccgc ccha cchp cchr ccpa ccpp ccpr ccra ccrc ccrg ccrp cgac cgap cgcc cgcg chaa chab chac chag chah chap char chbp chca chch chcp chgb chha chpa chpp chpr chra chrb chrc chrp chrr cpaa cpac cpag cpap cpbc cpca cpga cpgb cpha cppa crab crac crag crap crar crbc crca crcc crcr crpc gaap gaar gaba gabb gabp gabr gach gaga gagg gaha gapa gapp gara garb garg garp garr gbag gbap gc-c gcaa gcap gcbc gccc gcpc gcrg gggg gghg ghap ghar gpaa gpac gpca gpgp gpra gprp grab grac grap grbr grcc grpc grrr haab haag haar haba hag- haga hagg hagh haha hapa happ hara harc harh harp harr hbag hbar hcap hcbc hcca hccb hccc hcch hcgh hcpc hcrp hgah hgar hggc hhaa hhgg hhhh hhpa hhpc hpac hpcc hpgp hrac hrap hrpc hrpp hrrc paag paap paar paba paca pach paga pagb pagh paha pahp papa papb papg papp papr par- para parc parg parp parr pbac pbar pbcc pbgc pbpa pcaa pcap pcba pcbc pcca pccc pcgg pcha pchp pcpb pcpp pcra pcrc pgaa pgcc pgrc phag phah phar phcc phpa phrr ppac ppap ppar ppcc ppga pppa pppp pprc prag prar prbc prca prcc prcp raab raag raba rabb rac- raca racc rach raga ragg ragh raha rahr rapa rapc raph rapp rara rarb rbbb rbbr rbgh rcac rcbc rccb rccc rcga rcgc rchb rcrg rgba rhag rhap rhbg rhcg rhcp rpca rpga rrah rrrr