a-a a-b a-c a-t aaa aab aac aae aak aan aat ab- aba abb abc abe abk abn abt ac- aca acb acc ace ack acn act aea aeb aec aee aek aen aet aka akb akc ake akk akn an- ana anb anc ane ank ann ant at- ata atb atc ate atn att baa bab bac bae bak ban bat bba bbb bbc bbe bbk bbn bbt bca bcb bcc bce bck bcn bct be- bea beb bec bee bek ben bet bka bkb bkc bke bkk bkn bkt bna bnb bnc bne bnk bnn bnt bta btb btc bte btk btn btt c-- caa cab cac cae cak can cat cba cbb cbc cbe cbk cbn cbt cca ccb ccc cce cck ccn cct ce- cea ceb cec cee cek cen cet cka ckb ckc ckt cn- cna cnb cnc cne cnn cnt cta ctb ctc cte ctk ctn ctt eaa eab eac eae eak ean eat eba ebb ebc ebe ebk ebn ebt ec- eca ecb ecc ece eck ecn ect eea eeb eec eee eek een eet eka ekb ekc eke ekt en- ena enb enc ene enk enn ent eta etb etc ete etk etn ett k-t ka- kaa kab kac kae kak kan kat kba kbb kbc kbe kbk kbn kca kcb kcc kce kck kcn kct ke- kea keb kec kee kek ken ket kkb kkc kke kkk kkn kkt kn- kna knc kne knk knn knt kta ktb ktc kte ktk ktn ktt naa nab nac nae nak nan nat nba nbb nbc nbe nbk nbn nbt nca ncb ncc nce nck ncn nct ne- nea neb nec nee nek nen net nka nkc nke nkk nkn nkt nna nnb nnc nne nnk nnn nnt nta ntb ntc nte ntk ntn ntt taa tab tac tae tak tan tat tba tbb tbc tbe tbk tbn tbt tca tcb tcc tce tck tcn tct te- tea teb tec tee tek ten tet tka tkb tkc tke tkk tkt tna tnb tnc tne tnk tnn tnt tta ttb ttc tte ttk ttn ttt

-ana -ane -ene a-ak a-be aaaa aaab aaac aaae aaan aaba aabb aabc aabt aaca aacb aacc aace aack aacn aact aaea aaec aaen aaka aake aana aane aata aatc aatk aatt abaa abab abac abae abak aban abat abb- abba abbb abbe abbt abca abcb abcc abcn abct abec abee aben abet abta ac-t acaa acab acac acae acan acat acba acca accc acce acct ace- acea acec acek acen acet acke acne acta actc acte actt aeac aean aebn aecb aect aeka aena aent aeta aetc aetn aett akaa akae akan akca akee aken akka akna akte ana- anaa anab anac anae anak anan anat anba anbb anca ancc ance anct anec anee anen anet ank- anka anke anna annb anne annt ant- anta ante antt at-t ataa atab atac atae atak atan atat atca atcc atck atea atec atee aten atka atkt atna atta atte attn baaa baak baan baat baba babb babe bac- baca bacc bace back bacn bact baek bak- baka bake bakt bana banc bane bank bann bant bata batc bate batn batt bbbb bbeb bbet bcaa bcat bcbc bcca bccc bcec bcet bctc beak bean beat beba bebb bebe beca beck beeb beek been beet beka beke bena bene benk benn bent beta betc bete bett bnet bnta btaa btan btcc btec btek bten bttb caaa caab caac caan caat caba cabe cac- caca cacc cace cack caec caen caka cake cana canc cane cank cann cant cat- cata catb catc cate catt cbac cbat cbbc cbca cbcc cbce cbcn cbct cbea cbec cbee cbet cbka cbkn cbna cbta cbtc ccaa ccab ccac ccat ccba ccbc ccbn ccca cccb cccc ccee ccna ccnb ccnc ccne cctb cctc cctt ceac cean ceat ceba cec- ceca cece cect ceeb ceec ceke cen- cena cene cent cet- ceta cete ckac ckan ckat ckbc ckbe ckck cken cknb cknc cknt cktb cnaa cnac cnbc cnet cnna cnta cntc cntk ctab ctae ctan ctba ctca ctec cten ctne ctta cttn eaba eaca eacc eaec eana eata eate ebac eban ebba ebbc ebcc eben ecaa ecac ecan ecat ecbc ecbe ecca eccb eccc ecce ecct ecka ecne ect- ecta ectc eeca eeea eeee eeka eeke eena eent eeta eetc eete eka- ekab ekeb ekek eken eket ekka ekne ekta enab enac enan enat enb- enbn enca ence enea enee enka enke enna ennc enne ent- ente etak etan etat etbc etcc etec etee eten etka etna etne etta ette ettn kaaa kaab kaak kaan kaat kaba kabb kabc kabe kacb kacc kace kact kaet kaka kakc kake kakk kakn kakt kana kanb kane kann kant kat- kata katb katc kate katk katn katt kbaa kbab kbac kbae kbak kbat kbba kbbb kbbc kbbe kbbk kbbt kbca kbcb kbce kbck kbct kbeb kbec kbee kbek kben kbet kbkb kbkk kbna kbnn kbta kbtb kbtc kbte kbtk kbtn kbtt kcaa kcab kcac kcat kcba kcbc kcbk kcca kccb kccc kcck kcct kcea kceb kcec kcee kcet kckc kckk kckn kcnb kcnt kcta kctb kctc kcte kctn kea- keak kean keat keba kebb kebc kebe kebn kebt keca keck keek keen keet keka kekb kekc keke ken- kena kene kenk kenn kent ket- keta ketc kete ketk kett kkaa kkac kkan kkat kkba kkbb kkbe kkbn kkbt kkcb kkck kkcn kkct kkea kken kkkk kknb kkne kknn kknt kktc kktk knaa knab knac knan knat knba knbb knbc knbe knbn knbt knca kncb knce knck kncn knct knea kneb knec knee knek knen knet knkk knkt knnb knnk knte kntk kntn ktaa ktae ktak ktan ktat ktba ktbb ktbc ktbn ktbt ktcc ktce ktck ktea ktec ktee ktek kten ktkb ktkc ktke ktkk ktkn ktkt ktna ktnc ktne ktnk ktnn ktnt kttc kttk kttn kttt naaa naab naac naan naat naba nabc nabe nabk naca nacc nace nack naea naka nake nan- nana nanb nane nann nant nata natc nate natt nbaa