a-ak aaaa aaac aaal aaca aacc aack aacl aaka aala aalc aall acaa acac acag acca accc acga acla aclc agac agag agal agca agcc agga agla aglc akaa akal akca akka alaa alac alag alak alal alca alcc alg- alga alk- alka all- alla alll caaa caac caal cac- caca cacc cack caga cagg caka cala calc calk call ccaa ccac ccag ccca cccc cccl ccga ccgc ccla cclc cclg cgac cgal cgcc cgcg ckac ckck ckcl ckga ckgl cklg clag clkg gaal gack gaga gagg gala galk gall gc-c gcaa gcal gccc gclc ggcl gggg glaa glak glcc kaaa kaag kaak kaal kacc kacl kag- kaga kagc kagg kagl kaka kakc kakk kala kalc kalk kall kcaa kcac kcal kcca kccc kcck kccl kcgc kcgl kckc kckk kckl kcla kclc kclk kcll kgac kgak kgal kgcc kgcl kgga kggg kggl kgkl kgla kglk kkaa kkac kkag kkal kkck kkcl kkgl kkkk kklc kkll klaa klac klag klak klal klca klcc klck klcl klga klgl klka klkc klkk klkl klla kllc kllk laaa laac laag laak laal laca lacc lack lacl lag- laga lagg laka lala lall lcac lcca lccc lgca lkal llcc llgc lllc llll