-al a-a a-b a-c aaa aab aac aae aaf aak aal aan ab- aba abb abc abe abf abk abl abn ac- aca acb acc ace acf ack acl acn aea aeb aec aee aef aek ael aen af- afa afb afc afe aff afk afl afn aka akb akc ake akk akl akn al- ala alb alc ale alf alk all aln an- ana anb anc ane anf ank anl ann baa bab bac bae baf bak bal ban bba bbb bbc bbe bbf bbk bbl bbn bca bcb bcc bce bcf bck bcl bcn be- bea beb bec bee bef bek bel ben bfa bfb bfc bfe bff bfl bfn bka bkb bkc bke bkf bkk bkl bkn bla blb blc ble blf blk bll bln bna bnb bnc bne bnf bnk bnl bnn c-- caa cab cac cae caf cak cal can cba cbb cbc cbe cbf cbk cbl cbn cca ccb ccc cce ccf cck ccl ccn ce- cea ceb cec cee cef cek cel cen cfa cfb cfc cfe cff cfk cfl cfn cka ckb ckc cl- cla clb clc cle clf clk cll cln cn- cna cnb cnc cne cnf cnl cnn eaa eab eac eae eaf eak eal ean eba ebb ebc ebe ebf ebk ebl ebn ec- eca ecb ecc ece ecf eck ecl ecn eea eeb eec eee eef eek eel een ef- efa efb efc efe eff efl eka ekb ekc eke ekf ekl ela elb elc ele elf elk ell eln en- ena enb enc ene enf enk enl enn faa fab fac fae faf fak fal fan fba fbb fbc fbe fbf fbk fbl fbn fca fcb fcc fce fcf fck fcl fcn fea feb fec fee fef fek fel fen ffa ffc ffe fff ffk ffl ffn fka fkb fkc fkf fkk fkl fla flb flc fle flf fll fln fna fnb fnc fne fnf fnk fnl fnn ka- kaa kab kac kae kaf kak kal kan kba kbb kbc kbe kbf kbk kbl kbn kca kcb kcc kce kck kcl kcn ke- kea keb kec kee kef kek kel ken kfa kfc kff kkb kkc kke kkk kkl kkn kl- kla klb klc klf kn- kna knc kne knf knk knl knn la- laa lab lac lae laf lak lal lan lba lbb lbc lbe lbf lbk lbl lca lcb lcc lce lcf lck lcl lcn lea leb lec lee lef lek lel len lfa lfb lfc lfe lff lfk lfl lfn lka lkb lkl lla llb llc lle llf llk lll lln lna lnb lnc lne lnk lnl lnn naa nab nac nae naf nak nal nan nba nbb nbc nbe nbf nbk nbl nbn nca ncb ncc nce ncf nck ncl ncn ne- nea neb nec nee nef nek nel nen nfa nfb nfc nfe nff nfk nfl nfn nka nkc nke nkf nkk nkn nla nlb nlc nle nlf nlk nll nln nna nnb nnc nne nnf nnk nnl nnn

-ana -ane -ene a-ak a-be aaaa aaab aaac aaae aaaf aaal aaan aaba aabb aabc aabl aaca aacb aacc aace aacf aack aacl aacn aaea aaec aaen aafa aafb aafc aaff aafl aaka aake aala aalc aale aall aana aane abaa abab abac abae abaf abak abal aban abb- abba abbb abbe abca abcb abcc abcf abcl abcn abec abee abel aben abff abla able acaa acab acac acae acan acba acbl acca accc acce accf ace- acea acec acek acel acen acfc acfe acfl acke acla aclc acle acne aeac aeaf aean aebn aecb aecl aeka aela aelc aena afaa afak afan afca afcb afcc afee afek afel affa affc afka afla aflc afle akaa akae akal akan akca akee akel aken akka akle akna alaa alac alae alak alal alan alb- alba albc albe alca alcc alce alea alec alee alef alek alen alfa alfe alk- alka alkb alke all- alla alle alll alln alna alne ana- anaa anab anac anae anak anal anan anba anbb anbl anca ancc ance anec anee anen anfa ank- anka anke anla anlc anle anln anna annb anne baaa baaf baak baal baan baba babb babe bac- baca bacc bace back bacn baek bael bafc baff bak- baka bake bakl bala balc bale balf balk ball bana banc bane bank bann bbbb bbeb bbfc bbfn bblb bcaa bcbc bcca bccc bccl bcec bcfc beaf beak beal bean beba bebb bebe beca beck beeb beef beek beel been befa befe beff beka beke bela bele belk bell bena bene benk benn bfca bffl blaa blab blac blae blak blan blea bleb blee blek blfc blkb caaa caab caac caaf caal caan caba cabe cabf cac- caca cacc cace cack caec caen cafa cafb cafc cafe caff cafl caka cake cala calc cale calf calk call cana canc cane cank cann cbac cbal cbbc cbca cbcc cbce cbcl cbcn cbea cbec cbee cbef cbfb cbfc cbka cbkl cbkn cblb cblc cbln cbna ccaa ccab ccac ccaf ccba ccbc ccbn ccca cccb cccc cccf cccl ccee ccel ccfa ccfc ccff ccfl ccla cclc ccna ccnb ccnc ccne ccnf ceac ceal cean ceba cec- ceca cece ceeb ceec ceel cef- cefa cefc cefn ceke cel- cela celc cele celf cell cen- cena cene cfaa cfab cfac cfae cfbc cfbn cfca cfcb cfcf cfcl cfcn cffb cfln cfnb ckac ckan ckbc ckbe ckck ckcl cken cklf ckln cknb cknc clab claf clan clea clec clee clef clek cnaa cnac cnbc cnbl cnel cnfa cnna e-cl e-la eaaf eaba eaca eacc eaec eafb eala ealc eale eana ebac ebal eban ebba ebbc ebcc ebel eben ebfc ebla ecaa ecac ecal ecan ecbc ecbe ecca eccb eccc ecce eccl ecef ecfa ecfc ecka ecla ecne eeca eeea eeee eefa eefe eefl eefn eeka eeke eele eena efab efca efen effa efke efla eka- ekab ekeb ekek eken ekfc ekka ekne el-b elab elac elal elan elba elbe elca elcb elce elea elec elee elef elek elen elfa elfc elfe elka elke ella