a-do aaaa aaac aaad aaap aaca aacc aacd aaco aacp aada aadc aaoo aapa aapc aapo acaa acac acad acap acca accc accd acco accp acda acdc acdp acoa acod acop acpa acpd adaa adac adad adao adap adcc adda addc addd addo adoc adod adoo adp- aoca aopo apac apao apap apca apcc apcd apco apda apdd apo- apoc apod apoo apop appa appc appd c-cd caaa caac caap cac- caca cacc caco cada cadc cadd cado caod capa capc capd capo capp ccaa ccac ccad ccap ccca cccc cccp ccdc ccdp ccoc ccod ccpa ccpp cdaa cdac cdad cdda coad coca coco cocp coda codd cood coop copa copd copo copp cpaa cpac cpad cpap cpca cppa cppd daad daap daca dada dado dapa dapp dcca dccc dccp dcop dcpo dddd ddoc ddpo doap doca doco dod- doda dodd dodo dood doop dopa dopo dopp dpaa dpac dpcp dppa dppc ocac ocad ocap occa occc ocpa ocpd ocpp odac odda oddd odoo odop ooaa ooda oooo opap opca opo- oppa oppo paap paca pacd paco pada padd pado paoc papa papp pcaa pcad pcap pcca pccc pcoa pcod pcpp pdac pdca pdcp pdoc pdpa poad poca pocd poco pod- poda podd podo pood poop pop- popa popc popo popp ppac ppad ppap ppcc ppcd ppoa ppod pppa pppd pppo pppp