-vac aaaa aaab aaac aaam aaar aaav aaba aabb aabc aabm aaca aacb aacc aacm aaco aacr aacu aacv aama aamb aamc aamo aamr aaoo aara aarc aarm aaro aaru aava abaa abab abac abam abar abau abb- abba abbb abbo abbr abca abcb abcc abcr abma abmb abmc aboa abob aboo abor abou abov abra abrc abro abua abum abva acaa acab acac acar acba acca accc accm acco accu acma acmc acmu acmv acoa acom acor acou acr- acra acrc acrm acro acrr acrv acu- acum acuo acur acvv amaa amac amam amar amb- amba ambo ambr ambu amca amcc amco amm- amma ammo ammu amob amoc amoo amor amou amra amrc amro amua amum amur aoba aoca aoma aora aorb arab arac aram arar arau arba arc- arca arcm arco arma armc armm armo armu aroa arob arom aroo aror arr- arra arrc arro arrr arru arua arub arum arva arvo auaa auca auma aur- aura auro avab avao avar avcc avco avma avor avou avra avro avur avva avvo baaa baam baar baba babb babm babo babr babu bac- baca bacc baco bama bamb bamc bamm bamu bar- bara barb barc barm baro barr baru bau- baum baur bava bavu bbau bbbb bbcm bbrc bcaa bcam bcar bcbc bcca bccc bccm bcma bcor bcra bcru bcuc bcvo bmaa bmoc bmvc boab boac boar boba bobb bobo bobu boca bocm boco bocu boma bomb bomu boob booc boom boor bor- bora borm boro borr boru boua boum bour bova bovo brab brac bram brao brau brav brca brcb brmc broa brob broc brom broo bror brou brrm brrr bruc brum bruv brvm buar buba bubb bubo bubu buca bucc buco bucu bum- buma bumb bur- bura burb burm buro burr buru c-bo caaa caab caac caam caba cabo cabu cac- caca cacc cacm caco cacr cama camb camc camm camo caor cara carb carc carm caro carr cauc caum cauo cava cavo cavu cbac cbar cbbc cbca cbcc cbcm cbcr cbcu cbrm cbva cbvb cbvr ccaa ccab ccac ccam ccar ccba ccbc ccca cccb cccc cccm cccu cccv ccma ccmb ccmc ccmm ccob ccoc ccom ccra ccrc ccuc ccvo cmaa cmac cmba cmbc cmcc cmcv cmmb cmmc cmoc cmra cmrr coba cobb cobo cobu coca coco cocu com- coma comb comc comm como comr comu coob coom cor- cora corb corc corm coro corr coua coub cour cova covo crab crac cram crar crau crbc crbu crca crcc crcr crmb crmo crob croc crom croo cror crub crum cuau cub- cuba cubb cuca cucc cucm cum- cuma cura curb curo curr cvac cvar cvca cvcc cvra cvrr maaa maac maam maar maba mabo mabu mac- maca macb macc maco macr macu mama mamc mamo mamu maoc maor mar- mara marc marm maro marr maru marv maua maum maur mava mavo mbac mbam mbav mbba mbca mbou mcaa mcac mcba mcbc mcca mccc mccv mcmc mcmv mcrc mmaa mmab mmac mmar mmcc mmcm mmcv mmmc mmmm mmor mmrc moaa moab moac moam moar moba mobb mobo moca moco moma momo momu mooa moob mooc moor moov mora morb moro moru mour mova mr-c mrac mrbb mrbm mrca mrcb mrcc mrmc mrrc mrvc muac muar mubo muc- mucc mucu muma mumm mumo mumu mura murc muro murr muru muva mvac mvca mvcc oaau oama oara obba obbo obor obra obro ocab ocac ocam ocbc occa occc ocma ocom ocra ocro ocrr ocum ocur omac omam omao omar ombo ombu omca omma omo- omoa omoo omor omov omra omro omuo ooaa ooba oocr ooma oooo oora orab orac oram orao orar orav orba orbb orbo orbu orca orco orma ormo oro- orom oror orra orro orub orum orvr ouac oucc ouma our- oura ouro ouu- ovar ovo- ovoo ovra ovum raab raam raba rabb rabo rabu rac- raca racc raco racu racv rama ramb ramm ramo ramu raob raoc raom rara rarb raro raua raub rauc raum rava rbbb rbbr rcac rcbc rcbo rccb rccc rcuv rcvr rmmv rmvb roab roam roar rob- roba robb robo robu roca rocc roco roma romb romm romo roob room roor rora rorc roro roru roua roub roum rova rovo rrmc rrrr rrum ruba rubb rubu ruca ruma rumb rumm rumo rura rurc ruro ruru ruvu rv-c rvca uabc uaca uamc uaoc uarc uaru uaua ubac ubar ubba ubbo uboc ubra ucam ucar ucav ucbc ucca ucmc ucom ucrc ucua umaa umac umar umav umb- umba umbo umma ummo umor umra uocc uomo uor- uovo urac urao urau urba urca urma uro- uroa urom uroo urra urum urur urva uuoc uuuu uv-a uv-b uv-c uvaa uvac uvvu vaar vaca vaco vama vamo vara varm varr varu vava vbcc vmac vmca vmcc vmcv vmmc voar voca vocm vooc voom voor vor- vora vorm voro voru vour vrac vram vrav vrba vroc vuca vuco vumc vurb vvob vvvv