-vac aaaa aaac aaar aaav aaca aacc aaco aacr aacv aaoo aara aarc aaro aava acaa acac acag acar acca accc acco acga acgr acoa acog acor acr- acra acrc acro acrr acrv acvv ag-o agac agag agao agar agav agca agcc agco agga agog agoo agra agro agva aoca aora arac arag arar arc- arca arco arga argo aroa aroo aror arr- arra arrc arrg arro arrr arva arvo avao avar avcc avco avgo avor avra avro avva avvo caaa caac cac- caca cacc caco cacr caga cagg cago cagr caor cara carc caro carr cava cavo ccaa ccac ccag ccar ccca cccc cccv ccga ccgc ccoc ccra ccrc ccrg ccvo cgac cgcc cgcg cgro coag coca coco cogo cor- cora corc corg coro corr cova covo crac crag crar crca crcc crcr croc croo cror cvac cvar cvca cvcc cvra cvrg cvrr gaar gaga gagg gago gara garg garo garr garv gava gc-c gcaa gccc gcoa gcov gcrg gggg goar goca gocr goga gogo goog goor gora gorg goro gorr grac grav grcc groc grog groo gror grov grrr gvvv oara ocac occa occc ocga ocra ocro ocrr ogar ogoa ogog ogra ogro ooaa oocr oooo oora orac orao orar orav orca orco orga orgo oro- oror orra orro orvr ovar ovo- ovoo ovra raag rac- raca racc raco racv raga ragg rago raoc rara raro rava rcac rccc rcga rcgc rcrg rcvr roag roar roca rocc roco roga rogg rogo roog roor rora rorc roro rova rovo rrrr rv-c rvca vaar vaca vaco vag- vaga vagg vara varg varr vava vgcc voar voca voga vooc voog voor vor- vora voro vrac vrav vroc vvog vvvv