aaaa aaab aaac aaam aaap aaar aaba aabb aabc aabm aabp aaca aacb aacc aacm aaco aacp aacr aama aamb aamc aamo aamp aamr aaoo aapa aapc aapm aapo aara aarc aarm aaro aarp abaa abab abac abam abap abar abb- abba abbb abbo abbr abca abcb abcc abcp abcr abma abmb abmc aboa abob aboo abor abpa abpc abpm abpp abpr abra abrc abro acaa acab acac acap acar acba acca accc accm acco accp acma acmc acmp acoa acom acop acor acpa acpm acpr acr- acra acrc acrm acro acrr amaa amac amam amap amar amb- amba ambo ambr amca amcc amco amm- amma ammo amob amoc amoo amor ampa ampc ampm ampo amra amrc amro aoba aoca aoma aopo aora aorb apac apam apao apap apar apba apbr apca apcb apcc apcm apco apcr apma apo- apoc apom apoo apop apor appa appc appr apra aprc apro arab arac aram arap arar arba arc- arca arcm arco arma armc armm armo aroa arob arom aroo aror arpa arr- arra arrc arro arrr baaa baam baar baba babb babm babo babr bac- baca bacc baco bama bamb bamc bamm bamp bapa bapc bapp bar- bara barb barc barm baro barr bbbb bbcm bbpr bbrc bcaa bcam bcap bcar bcbc bcbp bcca bccc bccm bcma bcmp bcor bcpp bcra bmaa bmoc bmop boab boac boar boba bobb bobo boca bocm boco boma bomb bomp boob booc boom boop boor bopa bopp bor- bora borm boro borr bpcp bpmc bprc brab brac bram brao brca brcb brmc broa brob broc brom broo bror brrm brrr c-bo caaa caab caac caam caap caba cabo cac- caca cacc cacm caco cacr cama camb camc camm camo camp caor capa capb capc capm capo capp cara carb carc carm caro carp carr cbac cbar cbbc cbca cbcc cbcm cbcp cbcr cbpc cbpp cbrm ccaa ccab ccac ccam ccap ccar ccba ccbc ccca cccb cccc cccm cccp ccma ccmb ccmc ccmm ccmp ccob ccoc ccom ccpa ccpm ccpp ccpr ccra ccrc ccrp cmaa cmac cmap cmba cmbc cmcc cmmb cmmc cmoc cmpa cmpc cmpp cmra cmrr coba cobb cobo coca coco cocp com- coma comb comc comm como comp comr coob coom coop copa copo copp copr cor- cora corb corc corm coro corp corr cpaa cpac cpam cpap cpbc cpca cpcm cpma cpmp cppa cppm cprm crab crac cram crap crar crbc crca crcc crcr crmb crmo crmp crob croc crom croo crop cror crpc maaa maac maam maap maar maba mabo mac- maca macb macc maco macp macr mama mamc mamo mamp maoc maor mapa mapo mapp mapr mar- mara marc marm maro marr mbac mbam mbba mbca mcaa mcac mcap mcba mcbc mcca mccc mcmc mcop mcpa mcpb mcpc mcpp mcrc mmaa mmab mmac mmap mmar mmcc mmcm mmmc mmmm mmor mmpa mmpc mmpr mmrc mmrp moaa moab moac moam moap moar moba mobb mobo moca moco moma momo mooa moob mooc moop moor mopa mopp mora morb moro mpaa mpac mpao mpca mpcc mpmc mppc mppp mpro mprp mr-c mrac mrap mrbb mrbm mrca mrcb mrcc mrcp mrmc mrpa mrrc oama oamp oara obba obbo obor obra obro ocab ocac ocam ocap ocbc occa occc ocma ocom ocpa ocpm ocpp ocra ocro ocrr omac omam omao omap omar ombo omca omma omo- omoa omoo omor ompa omra omro ooaa ooba oocr ooma oooo oora opap opar opca opo- opor oppa oppo opra orab orac oram orao orar orba orbb orbo orca orco orma ormo oro- orom oror orpc orra orro paap paar paba paca paco pam- pama pamb pamm pamo pamp paoc papa papb papp papr par- para parc parm paro parp parr pbac pbar pbcc pbmr pboc pbpa pcaa pcap pcba pcbc pcbm pcca pccc pcmb pcoa pcom pcpb pcpm pcpp pcra pcrc pmaa pmac pmbr pmcc pmma pmmp pmpm pmpo pmrc poar poba pobo poca poco poma pomo pomp poop poor pop- popa popc popo popp pora porb porc poro porr ppac ppap ppar ppcc ppcm ppoa pppa pppo pppp pprc pprm pram prao prar prbc prca prcc prcp prmc pro- proa prob proc prom proo prop prrm raab raam raba rabb rabo rac- raca racc raco rama ramb ramm ramo ramp raob raoc raom raop rapa rapc rapm rapp rara rarb raro rbbb rbbr rcac rcbc rcbo rccb rccc rcmp rcpo rmrp roab roam roap roar rob- roba robb robo roca rocc roco roma romb romm romo romp roob room roop roor ropa ropo rora rorc roro rpca rpob rrmc rrmp rrrr