-vac a-be aaaa aaab aaac aaae aaal aaav aaba aabb aabc aabl aaca aacb aacc aace aacl aaco aacv aaea aaec aaev aala aalc aale aall aalo aaoe aaoo aava abaa abab abac abae abal abb- abba abbb abbe abbo abca abcb abcc abcl abec abee abel abla able ablo ablv aboa abob abol aboo abov abva acaa acab acac acae acba acbl acca accc acce acco ace- acea acec acel acev acla aclc acle acoa acoe acol acvv aeac aecb aecl aela aelc aeva alaa alac alae alal alao alb- alba albc albe albo alca alcc alce alco alea alec alee aleo alev all- alla alle alll allo aloa aloc aloe alol aloo alov alva alvo aoba aoca aoce aola aole avab aval avao avcc avce avco avea avec avel aveo avlb avva avvo baaa baal baba babb babe babo bac- baca bacc bace baco bael bala balc bale ball balo baol bava bave bbbb bbeb bblb bcaa bcbc bcca bccc bccl bcec bcvo beal beav beba bebb bebe bebo beca beeb beel bela bele bell belo beo- bevo blaa blab blac blae blea bleb blee bleo blob bloc bloo boab boac boal boba bobb bobe bobo boca boce boco boea boec boee boel boeo bola bole boll bolo boob booc booe bool bova bove bovo c-bo caaa caab caac caal caba cabe cabo cac- caca cacc cace caco caec cala calc cale call calo caol cava cave cavo cbac cbal cbbc cbca cbcc cbce cbcl cbea cbec cbee cblb cblc cbol cbva cbvb cbve ccaa ccab ccac ccba ccbc ccca cccb cccc cccl cccv ccee ccel ccla cclc cclv ccob ccoc ccvo ceac ceal ceba cec- ceca cece ceco ceeb ceec ceel cel- cela celc cele cell celo ceol ceva cevo clab clav clea clec clee cleo clob cloe cloo coal coba cobb cobe cobo coca coce coco coel col- cola colb cole coll colo coob cool cova cove covo cvac cvca cvcc e-cl e-la eaba eaca eacc eaec eala ealc eale eave ebac ebal ebba ebbc ebbo ebcc ebel ebla eboe ebol eboo ecaa ecac ecal ecao ecbc ecbe ecca eccb eccc ecce eccl ecco ecla eco- ecol eeca eeea eeee eele eelv eeoc eeva el-b elab elac elal elba elbe elbo elca elcb elce elco elea elec elee eleo elev ella elle ello elva elve elvo eola eole eolo evac evae eval evea evel evla evoe evol evoo laaa laac laal laba labe labo laca lacc lace lacl laco lael lala lale lall lalo lava lavc lave lavo lbcc lcac lcbc lcca lccc lcce leaa leal leao leba lebo leca lece leco leea leel lela lele lell lelo leoc leov lev- leva levc leve levo llao llcc lllc llll lloa lloc lloo lo-v loac lob- loba lobb lobe lobo loca locc loce loco loeb lola lole loll lolo loob looc looe lool love lovo lvcc lvea lvov o-eo oall obal obba obbo obea obec obel obla oble oboe obol ocab ocac ocal ocbc occa occc oce ocee oclc oec- oeca oecc oeec oela oele olac olav olba olbo olca olcc ole- olea oleo olev olla olle ollo olov ooaa ooba oobe oola oolo oooo oval ovee ovo- ovol ovoo vaal vaca vace vaco vala vale vall valo vava vbcc vcal veal veba vecc veel vel- vela vele vell velo veol veve vevo vlab vlba vlcc vloc voca voce voel vola volc vole voll volo vooc vool vvob vvvv