-ana a-ak aaaa aaab aaac aaal aaan aaba aabb aabc aabl aaca aacb aacc aack aacl aacn aaka aala aalc aall aana aang abaa abab abac abag abak abal aban abb- abba abbb abca abcb abcc abcl abcn abgl abla acaa acab acac acag acan acba acbl acca accc acga acla aclc agac agag agal agan agba agca agcc agga agla aglc agna akaa akal akan akca akka akna alaa alac alag alak alal alan alb- alba albc alca alcc alg- alga alk- alka alkb all- alla alll alln alna ana- anaa anab anac anag anak anal anan anba anbb anbl anca ancc ang- anga angl ank- anka anla anlc anln anna annb baaa baak baal baan baba babb bac- baca bacc back bacn baga bagg bagn bak- baka bakl bala balc balk ball bana banc bang bank bann bbbb bbga bblb bbng bcaa bcbc bcbg bcca bccc bccl bgan bgca blaa blab blac blag blak blan blkb caaa caab caac caal caan caba cabg cac- caca cacc cack caga cagg cagn caka cala calc calk call cana canc cang cank cann cbac cbal cbbc cbca cbcc cbcl cbcn cbga cbgb cbka cbkg cbkl cbkn cblb cblc cbln cbna ccaa ccab ccac ccag ccba ccbc ccbn ccca cccb cccc cccl ccga ccgc ccla cclc cclg ccna ccnb ccnc cgac cgal cgcc cgcg ckac ckan ckbc ckck ckcl ckga ckgl ckgn cklg ckln cknb cknc clab clag clan clkg cnaa cnac cnag cnbc cnbl cnna gaal gaba gabb gabl gack gaga gagg gala galk gall gana ganc gang gank gann gbag gban gc-c gcaa gcal gcbc gccc gclc gcna ggcl gggg glaa glab glak glan glbc glcc gnaa gnac gnal gncc gngc kaaa kaab kaag kaak kaal kaan kaba kabb kabc kabg kacb kacc kacl kag- kaga kagb kagc kagg kagl kaka kakc kakk kakn kala kalb kalc kalk kall kaln kana kanb kang kann kbaa kbab kbac kbak kbal kbba kbbb kbbc kbbg kbbk kbbl kbca kbcb kbck kbcl kbga kbgb kbgg kbgl kbgn kbkb kbkg kbkk kbkl kbla kblb kblg kbll kbna kbng kbnl kbnn kcaa kcab kcac kcal kcba kcbc kcbk kcbl kcca kccb kccc kcck kccl kcgc kcgl kckc kckk kckl kckn kcla kclc kclk kcll kcln kcnb kgab kgac kgak kgal kgan kgba kgbb kgbc kgbn kgcb kgcc kgcl kgcn kgga kggg kggl kgkl kgla kglb kglk kgln kgnb kgnc kgng kkaa kkac kkag kkal kkan kkba kkbb kkbg kkbl kkbn kkcb kkck kkcl kkcn kkgb kkgl kkkk kklb kklc kkll kkln kknb kknn klaa klab klac klag klak klal klan klbb klbc klbl klbn klca klcb klcc klck klcl klcn klga klgb klgl klgn klka klkc klkk klkl klkn klla kllb kllc kllk klnc klng klnn knaa knab knac knag knal knan knba knbb knbc knbn knca kncb knck kncn knga kngl kngn knkk knla knlb knlc knnb knng knnk laaa laac laag laak laal laan laba laca lacc lack lacl lag- laga lagg laka lala lall lan- lana lanc lang lank lann lbcc lcac lcbc lcca lccc lgca lkab lkal lkan llan llcc llgc lllc llll lnnk naaa naab naac naag naal naan naba nabc nabk nabl naca nacc nack nacl naga nagc nagk nagl naka nala nalc nall nan- nana nanb nang nann nbaa nbak nbbc nbca nbcc ncaa ncac ncba ncbc ncca nccc nccn ncga nclc ncln ncna ncnc ngab ngac ngan nkgb nlab nlcc nlgn nngn nnnn