a-do a-ha aaaa aaac aaad aaah aaap aaca aacc aacd aach aaco aacp aada aadc aaha aaoo aapa aapc aaph aapo acaa acac acad acap acca accc accd acch acco accp acda acdc acdp acha achh acho achp acoa acod acoh acop acpa acpd adaa adac adad adah adao adap adcc adda addc addd addo adha adhd adho adoc adod adoo adp- ahac ahad ahah ahha ahoa ahod ahop aoah aoca aodh aopo apac apah apao apap apca apcc apcd apco apda apdd aph- apha aphc apo- apoc apod apoo apop appa appc appd apph c-cd caaa caac caah caap cac- caca cacc cach caco cada cadc cadd cado caha caod capa capc capd caph capo capp ccaa ccac ccad ccap ccca cccc cccp ccdc ccdh ccdp ccha cchp ccoc ccod ccpa ccpp cdaa cdac cdad cdda chaa chac chad chah chao chap chca chch chcp chha choc chod choh choo chop chpa chpp coad coca coch coco cocp coda codd coha coho cood cooh coop copa copd coph copo copp cpaa cpac cpad cpap cpca cpha cppa cppd daad daap daca dada dado daha dahp dapa dapp dcca dccc dccp dcop dcpo dddd ddoc ddpo dhaa dhad dhao dhap dhcp dhod doap doca doch doco dod- doda dodd dodo doha dohc dood doop dopa dopo dopp dpaa dpac dpcp dphp dppa dppc dpph haad haco hada hadh haha haho hapa happ hcap hcca hccc hcch hcpc hdca hdda hdoc hdod hhaa hhhh hhpa hhpc hoac hoad hoap hoca hoch hoda hodh hoha hoho hood hoop hopa hopo hopp hpac hpao hpcc hpdh oahp oaph ocac ocad ocap occa occc ocha ocpa ocpd ocpp odac odah odda oddd odoh odoo odop ohad ohcc ohho ohoh ooaa ooda ooha ooho oooh oooo opah opap opca opo- oppa oppo paap paca pacd pach paco pada padd pado paha paho pahp paoc paoh papa papp pcaa pcad pcap pcca pccc pcha pchp pcoa pcod pcpp pdac pdca pdcp pdoc pdpa phad phah phcc phoh phoo phpa poad poca pocd poch poco pod- poda podd podo poha pood pooh poop pop- popa popc popo popp ppac ppad ppap ppcc ppcd ppoa ppod pppa pppd pppo pppp