a-do aaaa aaab aaac aaad aaap aaar aaba aabb aabc aabd aabp aaca aacb aacc aacd aaco aacp aacr aada aadc aaoo aapa aapc aapo aara aarc aard aaro aarp abaa abab abac abad abag abap abar abb- abba abbb abbo abbr abca abcb abcc abcd abcp abcr abda abdo abgd aboa abob abod aboo abor abpa abpc abpd abpp abpr abra abrc abro acaa acab acac acad acag acap acar acba acca accc accd acco accp acda acdb acdc acdp acga acgr acoa acod acog acop acor acpa acpd acpr acr- acra acrc acro acrr adaa adab adac adad adag adao adap adar adba adbc adcc adda addc addd addo addr adob adoc adod adog adoo ador adp- adra adro ag-o agac agad agag agao agap agar agba agbo agca agcc agco agda agga agob agod agog agoo agra agro agrp aoba aoca aopo aora aorb apac apao apap apar apba apbg apbr apca apcb apcc apcd apco apcr apda apdd apga apo- apoc apod apoo apop apor appa appc appd appr apra aprc apro arab arac arad arag arap arar arba arc- arca arco arda ardc ardo arga argb argo aroa arob arod aroo aror arpa arr- arra arrc arrg arro arrr baaa baad baar baba babb babo babr bac- baca bacc baco bada badb badd bado badr baga bagg bago bapa bapc bapp bar- bara barb barc bard barg baro barr bbad bbbb bbdd bbdo bbga bbpr bbrc bbrg bcaa bcap bcar bcbc bcbg bcbp bcca bccc bcda bcor bcpp bcra bd-r bdbc bddc bdog bdpc bgca boab boac boad boag boar boba bobb bobo boca boco boda bodb bodo boga bogd bogg bogo boob booc bood boog boop boor bopa bopp bor- bora bord borg boro borr bpcp bpda bprc bprd brab brac brad brag brao brca brcb brda brdo broa brob broc brod brog broo bror brrr c-bo c-cd caaa caab caac caap caba cabg cabo cac- caca cacc caco cacr cada cadc cadd cado cadr caga cagg cago cagr caod caor capa capb capc capd capo capp cara carb carc card caro carp carr cbac cbar cbbc cbca cbcc cbcp cbcr cbdb cbdc cbdo cbga cbgb cbpc cbpp cbrd ccaa ccab ccac ccad ccag ccap ccar ccba ccbc ccca cccb cccc cccp ccdc ccdp ccdr ccga ccgc ccob ccoc ccod ccpa ccpp ccpr ccra ccrc ccrg ccrp cd-r cdaa cdac cdad cdba cdda cddb cddr cgac cgap cgcc cgcg cgro coad coag coba cobb cobo coca coco cocp coda codd cogo coob cood coop copa copd copg copo copp copr cor- cora corb corc cord corg coro corp corr cpaa cpac cpad cpag cpap cpbc cpca cpga cpgb cppa cppd crab crac crag crap crar crbc crca crcc crcr crda crdc crob croc crod croo crop cror crpc d-bo daab daad daag daap daar daba dabb dabo dabp daca dada dado daga dagg dago dagr dapa dapg dapp dara darb darc dard darg daro darp darr dbag dbar dbcc dbcp dbgp dbpc dbpd dcbc dcca dccb dccc dccp dcdb dcgo dcop dcpg dcpo dcra dddd ddoc ddpo ddrc dgac dgca doab doap doar doba dobb doca doco dod- doda dodd dodg dodo dog- doga dogg dogo dogp doob dood doop door dopa dopo dopp dopr dora dorc dord doro dorp dorr dpaa dpac dpag dpbc dpcp dppa dppc dprg draa drab drac drad drag drap drar drba drbc drca drda drob drod drog drop drra gaap gaar gaba gabb gabo gabp gabr gada gadd gado gadp gaga gagg gago gapa gapp gara garb gard garg garo garp garr gbag gbap gbbo gc-c gcaa gcap gcbc gccc gcda gcoa gcpc gcrg gdca gddb gdor gdrc gggg ggpo goad goar goba gobo goca gocr goda godo goga gogo good goog goop goor gopc gopo gora gorb gord gorg goro gorp gorr gpaa gpac gpca gpgp gpra gprd gprp grab grac grad grap grbr grcc grdc grob groc grod grog groo grop gror grpc grrr oara obad obba obbo obor obra obro ocab ocac ocad ocap ocbc occa occc ocga ocpa ocpd ocpp ocra ocro ocrr odac odbo odda oddd odoo odop odor odra odrp ogar ogb ogba ogdc ogoa ogod ogog ogra ogro ooaa ooba oocr ooda oooo oora oord opap opar opca opo- opor oppa oppo opra orab orac orad orao orar orba orbb orbo orca orco orda ordo orga orgo oro- oror orpc orra orro paag paap paar paba paca pacd paco pada padd pado paga pagb pago paoc papa papb papg papp papr par- para parc pard parg paro parp parr pbac pbar pbcc pbgc pboc pbpa pcaa pcad pcap pcba pcbc pcca pccc pcgg pcoa pcod pcpb pcpp pcra pcrc pcrd pdac pdag pdca pdcp pdoc pdpa pdpr pdrc pgaa pgcc pgrc poad poar poba pobo poca pocd poco pod- poda podd podo pogg pogo pood poop poor pop- popa popc popo popp pora porb porc porg poro porr ppac ppad ppap ppar ppcc ppcd ppga ppoa ppod pppa pppd pppo pppp pprc prad prag prao prar prbc prca prcc prcd prcp pro- proa prob proc prod prog proo prop prpd prrd raab raad raag raba rabb rabo rac- raca racc raco rada radc radd rado radr raga ragg rago raob raoc raop rapa rapc rapd rapp rara rarb raro rbbb rbbr rcac rcbc rcbo rccb rccc rcdc rcga rcgc rcpd rcpo rcrd rcrg rdac rdap rdbp rdoc rdpc rgba roab road roag roap roar rob- roba robb robo roca rocc roco roda rodd rodo roga rogg rogo roob rood roog roop roor ropa ropo rora rorc roro rpca rpdp rpga rpob rrad rrrr