-ana -vac aaaa aaac aaan aaar aaav aaca aacc aacn aacr aacv aana aang aara aarc aava acaa acac acag acan acar acca accc acga acgr acr- acra acrc acrr acrv acvv agac agag agan agar agav agca agcc agga agna agra agva ana- anaa anac anag anan anar anca ancc ang- anga anna anrc arac arag aran arar arc- arca arga arna arng arr- arra arrc arrg arrr arva arvn avan avar avcc avra avva caaa caac caan cac- caca cacc cacr caga cagg cagn cagr cana canc cang cann cara carc carn carr cava ccaa ccac ccag ccar ccca cccc cccv ccga ccgc ccna ccnc ccnr ccra ccrc ccrg cgac cgcc cgcg cnaa cnac cnag cnna cnrc cnrr crac crag cran crar crca crcc crcr crna cvac cvar cvca cvcc cvra cvrg cvrr gaar gaga gagg gana ganc gang gann gara garg garn garr garv gava gc-c gcaa gccc gcna gcrg gggg ggrn gnaa gnac gnar gnav gncc gngc gnrc gnrr grac gran grav grcc grrr gvvv naaa naac naag naan naar naca nacc naga nagc nan- nana nang nann nara narc narg narn narr nava navr navv ncaa ncac ncar ncca nccc nccn nccr ncga ncgr ncna ncnc ncra ncrc ngac ngan nngn nnnn nrca nrna nrrc nvcc raag raan rac- raca racc racv raga ragg rana ranc rang rann rara rava rcac rccc rcga rcgc rcnr rcrg rcvr rgan rnag rrna rrrr rv-c rvca vaan vaar vaca vag- vaga vagg vagn vana vanc vang vann vara varg varn varr vava vgcc vnav vrac vran vrav vrnn vvvv