a-ha aaaa aaac aaah aaap aaar aaca aacc aach aaco aacp aacr aaha aaoo aapa aapc aaph aapo aara aarc aaro aarp acaa acac acap acar acca accc acch acco accp acha achh acho achp achr acoa acoh acop acor acpa acpr acr- acra acrc acro acrr ahac ahah ahar ahha ahoa ahop ahor ahra ahrc ahrr aoah aoca aopo aora apac apah apao apap apar apca apcc apco apcr aph- apha aphc apo- apoc apoo apop apor appa appc apph appr apra aprc apro arac arah arap arar arc- arca arch arco arh- aroa aroo aror arpa arr- arra arrc arrh arro arrr caaa caac caah caap cac- caca cacc cach caco cacr caha caor capa capc caph capo capp cara carc caro carp carr ccaa ccac ccap ccar ccca cccc cccp ccha cchp cchr ccoc ccpa ccpp ccpr ccra ccrc ccrp chaa chac chah chao chap char chca chch chcp chha choc choh choo chop chor chpa chpp chpr chra chrc chro chrp chrr coca coch coco cocp coha coho cooh coop copa coph copo copp copr cor- cora corc coro corp corr cpaa cpac cpap cpca cpha cppa crac crap crar crca crcc crcr croc croh croo crop cror crpc haar haco haha haho haor hapa happ hara harc harh haro harp harr hcap hcca hccc hcch hcpc hcrp hhaa hhhh hhpa hhpc hoac hoap hoar hoca hoch hocr hoha hoho hoop hoor hopa hopo hopp hora horc horo horr hpac hpao hpcc hrac hrap hrpc hrpp hrrc oahp oaph oara ocac ocap occa occc ocha ocpa ocpp ocra ocro ocrr ohcc ohho ohoh ohra ooaa oocr ooha ooho oooh oooo oora opah opap opar opca opo- opor oppa oppo opra orac orah orao orar orca orch orco oro- oror orpc orph orra orro paap paar paca pach paco paha paho pahp paoc paoh papa papp papr par- para parc paro parp parr pcaa pcap pcca pccc pcha pchp pcoa pcpp pcra pcrc phah phar phcc phoh phoo phpa phrr poar poca poch poco poha pooh poop poor pop- popa popc popo popp pora porc poro porr ppac ppap ppar ppcc ppoa pppa pppo pppp pprc prao prar prca prcc prcp pro- proa proc proo prop rac- raca racc rach raco raha rahr raoc raoh raop rapa rapc raph rapp rara raro rcac rccc rcpo rhap rhcp rhoa rhoc rhoh roap roar roca rocc roch roco roha rohr roop roor ropa ropo rora rorc roro rpca rpho rrah rrrr