-al a-a a-b a-c aaa aab aac aak aal aam aan ab- aba abb abc abk abl abm abn ac- aca acb acc ack acl acm acn aka akb akc akk akl akm akn al- ala alb alc alk all alm aln ama amb amc amk aml amm amn an- ana anb anc ank anl anm ann baa bab bac bak bal bam ban bba bbb bbc bbk bbl bbm bbn bca bcb bcc bck bcl bcm bcn bka bkb bkc bkk bkl bkm bkn bla blb blc blk bll blm bln bma bmb bmc bmk bml bmm bmn bna bnb bnc bnk bnl bnn c-- caa cab cac cak cal cam can cba cbb cbc cbk cbl cbm cbn cca ccb ccc cck ccl ccm ccn cka ckb ckc ckm cl- cla clb clc clk cll clm cln cma cmb cmc cmk cml cmm cmn cn- cna cnb cnc cnl cnm cnn ka- kaa kab kac kak kal kam kan kba kbb kbc kbk kbl kbm kbn kca kcb kcc kck kcl kcm kcn kkb kkc kkk kkl kkm kkn kl- kla klb klc klm kma kmb kmc kmk kml kmm kn- kna knc knk knl knm knn la- laa lab lac lak lal lam lan lba lbb lbc lbk lbl lbm lca lcb lcc lck lcl lcm lcn lka lkb lkl lla llb llc llk lll llm lln lma lmb lmc lmk lml lmm lmn lna lnb lnc lnk lnl lnm lnn maa mab mac mak mal mam man mba mbb mbc mbk mbl mbm mc- mca mcb mcc mck mcl mcm mcn mka mkb mkc mkk mkl mkm mkn mla mlb mlc mlk mll mlm mln mma mmb mmc mmk mml mmm mmn mna mnb mnc mnk mnl mnm mnn naa nab nac nak nal nam nan nba nbb nbc nbk nbl nbm nbn nca ncb ncc nck ncl ncm ncn nka nkc nkk nkm nkn nla nlb nlc nlk nll nlm nln nma nmb nmc nmk nml nmm nmn nna nnb nnc nnk nnl nnm nnn

-ana a-ak aaaa aaab aaac aaal aaam aaan aaba aabb aabc aabl aabm aaca aacb aacc aack aacl aacm aacn aaka aala aalc aall aama aamb aamc aamn aana abaa abab abac abak abal abam aban abb- abba abbb abca abcb abcc abcl abcn abla abma abmb abmc acaa acab acac acan acba acbl acca accc accm acla aclc acma acmc akaa akal akam akan akca akka akna alaa alac alak alal alam alan alb- alba albc albm alca alcc alk- alka alkb all- alla alll alln alma almc alna amaa amac amal amam aman amb- amba ambn amca amcc amka amla amm- amma ana- anaa anab anac anak anal anam anan anba anbb anbl anca ancc ank- anka anla anlc anln anma anna annb baaa baak baal baam baan baba babb babm bac- baca bacc back bacn bak- baka bakl bala balc balk ball balm bama bamb bamc baml bamm bamn bana banc bank bann bbbb bbcm bblb bcaa bcam bcbc bcca bccc bccl bccm bcma blaa blab blac blak blam blan blkb bmaa bman bnml caaa caab caac caal caam caan caba cac- caca cacc cack cacm caka cala calc calk call calm cama camb camc camk caml camm cana canc cank cann cbac cbal cbbc cbca cbcc cbcl cbcm cbcn cbka cbkl cbkm cbkn cblb cblc cbln cbna ccaa ccab ccac ccam ccba ccbc ccbn ccca cccb cccc cccl cccm cckm ccla cclc cclm ccma ccmb ccmc ccmm ccna ccnb ccnc ccnm ckac ckan ckbc ckck ckcl ckcm cklm ckln ckml cknb cknc clab clam clan cmaa cmac cmba cmbc cmcc cmla cmll cmmb cmmc cmml cmmn cnaa cnac cnam cnbc cnbl cnbm cnma cnna kaaa kaab kaak kaal kaam kaan kaba kabb kabc kacb kacc kacl kaka kakc kakk kakm kakn kala kalb kalc kalk kall kalm kaln kam- kama kamb kamc kaml kamm kamn kana kanb kanm kann kbaa kbab kbac kbak kbal kbam kbba kbbb kbbc kbbk kbbl kbbm kbca kbcb kbck kbcl kbkb kbkk kbkl kbla kblb kbll kblm kbmb kbmc kbna kbnl kbnn kcaa kcab kcac kcal kcam kcba kcbc kcbk kcbl kcca kccb kccc kcck kccl kckc kckk kckl kckm kckn kcla kclc kclk kcll kclm kcln kcmb kcmc kcmk kcml kcmm kcmn kcnb kcnm kkaa kkac kkal kkam kkan kkba kkbb kkbl kkbn kkcb kkck kkcl kkcm kkcn kkkk kklb kklc kkll kkln kkma kkmc kkmk kkml kknb kknm kknn klaa klab klac klak klal klam klan klbb klbc klbl klbm klbn klca klcb klcc klck klcl klcm klcn klka klkc klkk klkl klkn klla kllb kllc kllk klmk klmm klmn klnc klnn kmac kmak kmal kmam kman kmbc kmbl kmca kmcb kmcc kmcl kmcm kmcn kmkk kmkl kmla kmlb kmlk kmmk kmml kmmm kmna kmnb knaa knab knac knal knam knan knba knbb knbc knbn knca kncb knck kncm kncn knkk knla knlb knlc knlm knmb knmc knml knnb knnk laaa laac laak laal laam laan laba laca lacc lack lacl laka lala lall lalm lama lamb lamk lamm lan- lana lanc lank lann lbcc lbmc lcac lcbc lcca lccc lccm lkab lkal lkan llan llcc lllc llll lmcc lmln lmna lnnk maaa maac maak maal maam maan maba mac- maca macb macc mack maka mal- mala malk mall malm maln mama mamc man- mana manc mank mann mbac mbam mbba mbca mbna mcaa mcac mcan mcba mcbc mcca mccc mccl mckk mcla mcmc mcml mkak mknk mlab mlak mlan mlba mlcc mmaa mmab mmac mman mmcc mmcl mmcm mmmc mmmm mnaa mnac mnam mnba mnbb mnla naaa naab naac naal naam naan naba nabc nabk nabl naca nacc nack nacl nacm naka nala nalc nall nama namb namm nan- nana nanb nann nbaa nbak nbbc nbca nbcc ncaa ncac ncba ncbc ncca nccc nccn nclc ncln ncmm ncna ncnc nkam nlab nlcc nman nmmc nmml nnmc nnnn

-aaa- a-mac aaaam aabaa aabba aacbc aalam aanmc abaab ababa abaca aback abaka abala aball abana abanc abank abann abbac abban