a-do a-ha aaaa aaac aaad aaah aaap aaar aaca aacc aacd aach aaco aacp aacr aada aadc aaha aaoo aapa aapc aaph aapo aara aarc aard aaro aarp acaa acac acad acap acar acca accc accd acch acco accp acda acdc acdp acha achh acho achp achr acoa acod acoh acop acor acpa acpd acpr acr- acra acrc acro acrr adaa adac adad adah adao adap adar adcc adda addc addd addo addr adha adhd adho adoc adod adoo ador adp- adra adro ahac ahad ahah ahar ahha ahoa ahod ahop ahor ahra ahrc ahrr aoah aoca aodh aopo aora apac apah apao apap apar apca apcc apcd apco apcr apda apdd aph- apha aphc apo- apoc apod apoo apop apor appa appc appd apph appr apra aprc apro arac arad arah arap arar arc- arca arch arco arda ardc ardo arh- aroa arod aroo aror arpa arr- arra arrc arrh arro arrr c-cd caaa caac caah caap cac- caca cacc cach caco cacr cada cadc cadd cado cadr caha caod caor capa capc capd caph capo capp cara carc card caro carp carr ccaa ccac ccad ccap ccar ccca cccc cccp ccdc ccdh ccdp ccdr ccha cchp cchr ccoc ccod ccpa ccpp ccpr ccra ccrc ccrp cd-r cdaa cdac cdad cdda cddr chaa chac chad chah chao chap char chca chch chcp chha choc chod choh choo chop chor chpa chpp chpr chra chrc chrd chro chrp chrr coad coca coch coco cocp coda codd coha coho cood cooh coop copa copd coph copo copp copr cor- cora corc cord coro corp corr cpaa cpac cpad cpap cpca cpha cppa cppd crac crap crar crca crcc crcr crda crdc croc crod croh croo crop cror crpc daad daap daar daca dada dado daha dahp dapa dapp dara darc dard daro darp darr dcca dccc dccp dcop dcpo dcra dddd ddoc ddpo ddrc dhaa dhad dhao dhap dhar dhcp dhod dhor dhpr doap doar doca doch doco dod- doda dodd dodo doha dohc dohr dood doop door dopa dopo dopp dopr dora dorc dord doro dorp dorr dpaa dpac dpcp dphp dppa dppc dpph draa drac drad drap drar drca drda drod droh drop drra haad haar haco hada hadh haha haho haor hapa happ hara harc hard harh haro harp harr hcap hcca hccc hcch hcdr hcpc hcrd hcrp hdca hdda hdoc hdod hdra hhaa hhhh hhpa hhpc hoac hoad hoap hoar hoca hoch hocr hoda hodh hodr hoha hoho hood hoop hoor hopa hopo hopp hora horc hord horo horr hpac hpao hpcc hpdh hrac hrad hrap hrdc hrod hrpc hrpp hrrc oahp oaph oara ocac ocad ocap occa occc ocha ocpa ocpd ocpp ocra ocro ocrr odac odah odda oddd odoh odoo odop odor odra odrp ohad ohcc ohho ohoh ohra ooaa oocr ooda ooha ooho oooh oooo oora oord opah opap opar opca opo- opor oppa oppo opra orac orad orah orao orar orca orch orco orda ordo oro- oror orpc orph orra orro paap paar paca pacd pach paco pada padd pado paha paho pahp paoc paoh papa papp papr par- para parc pard paro parp parr pcaa pcad pcap pcca pccc pcha pchp pcoa pcod pcpp pcra pcrc pcrd pdac pdca pdcp pdoc pdpa pdpr pdrc phad phah phar phcc phoh phoo phpa phrr poad poar poca pocd poch poco pod- poda podd podo poha pood pooh poop poor pop- popa popc popo popp pora porc poro porr ppac ppad ppap ppar ppcc ppcd ppoa ppod pppa pppd pppo pppp pprc prad prao prar prca prcc prcd prcp pro- proa proc prod proo prop prpd prrd raad rac- raca racc rach raco rada radc radd radh rado radr raha rahr raoc raoh raop rapa rapc rapd raph rapp rara raro rcac rccc rcdc rcpd rcpo rcrd rdac rdap rdoc rdpc rhap rhcp rhoa rhoc rhod rhoh road roap roar roca rocc roch roco roda rodd rodo roha rohr rood roop roor ropa ropo rora rorc roro rpca rpdp rpho rrad rrah rrrr