-vac aaaa aaab aaac aaal aaav aaba aabb aabc aabl aaca aacb aacc aacl aaco aacv aala aalc aall aalo aaoo aava abaa abab abac abag abal abb- abba abbb abbo abca abcb abcc abcl abgl abla ablo ablv aboa abob abol aboo abov abva acaa acab acac acag acba acbl acca accc acco acga acla aclc acoa acog acol acvv ag-o agac agag agal agao agav agba agbo agca agcc agco agga agla aglc agob agog agol agoo agva alaa alac alag alal alao alb- alba albc albo alca alcc alco alg- alga algo all- alla alll allo aloa aloc alog alol aloo alov alva alvo aoba aoca aola avab aval avao avcc avco avgo avlb avva avvo baaa baal baba babb babo bac- baca bacc baco baga bagg bago bala balc ball balo baol bava bbbb bbga bblb bcaa bcbc bcbg bcca bccc bccl bcvo bgca blaa blab blac blag blob bloc blog bloo boab boac boag boal boba bobb bobo boca boco boga bogg bogo bola bolg boll bolo boob booc boog bool bova bovo c-bo caaa caab caac caal caba cabg cabo cac- caca cacc caco caga cagg cago cala calc call calo caol cava cavo cbac cbal cbbc cbca cbcc cbcl cbga cbgb cblb cblc cbol cbva cbvb cbvg ccaa ccab ccac ccag ccba ccbc ccca cccb cccc cccl cccv ccga ccgc ccla cclc cclg cclv ccob ccoc ccvo cgac cgal cgcc cgcg clab clag clav clob clog cloo coag coal coba cobb cobo coca coco cogo col- cola colb coll colo coob cool cova covo cvac cvca cvcc gaal gaba gabb gabl gabo gaga gagg gago gala gall galo galv gaol gava gbag gbbo gc-c gcaa gcal gcbc gccc gclc gcoa gcov ggcl gggg glaa glab glbc glcc glob glog goal goba gobl gobo goca goga gogo gola goll golo goog gool gvvv laaa laac laag laal laba labo laca lacc lacl laco lag- laga lagg lago lala lall lalo lava lavc lavo lbcc lcac lcbc lcca lccc lcvg lgca lgov llao llcc llgc lllc llll lloa lloc lloo lo-v loac lob- loba lobb lobo loca locc loco log- loga logb logo lola loll lolo loob looc lool lovo lvcc lvov oall obal obba obbo obla obol ocab ocac ocal ocbc occa occc ocga oclc ogb ogba ogla ogoa ogog olac olav olba olbo olca olcc olga olgc olla ollo olog olov ooaa ooba oola oolo oooo oval ovo- ovol ovoo vaal vaca vaco vag- vaga vagg vala vall valo vava vbcc vcal vgcc vlab vlba vlcc vlgc vloc vlog voca voga vogl vola volc voll volo vooc voog vool vvob vvog vvvv