-ana aaaa aaac aaan aaar aaca aacc aacn aacr aana aang aara aarc acaa acac acag acan acar acca accc acga acgr acr- acra acrc acrr agac agag agan agar agca agcc agga agna agra 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 caaa caac caan cac- caca cacc cacr caga cagg cagn cagr cana canc cang cann cara carc carn carr ccaa ccac ccag ccar ccca cccc 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 gaar gaga gagg gana ganc gang gann gara garg garn garr gc-c gcaa gccc gcna gcrg gggg ggrn gnaa gnac gnar gncc gngc gnrc gnrr grac gran grcc grrr naaa naac naag naan naar naca nacc naga nagc nan- nana nang nann nara narc narg narn narr ncaa ncac ncar ncca nccc nccn nccr ncga ncgr ncna ncnc ncra ncrc ngac ngan nngn nnnn nrca nrna nrrc raag raan rac- raca racc raga ragg rana ranc rang rann rara rcac rccc rcga rcgc rcnr rcrg rgan rnag rrna rrrr