aaba aabb aabc aabd aabi aabt aaca aacb aacc aacd aace aacf aaci aack aacn aact aada aadc aade aadi aadt aaea aaec aaen aafa aafb aafc aafd aaff aafi aaib aaic aaii aain aaka aake aana aand aane aani aata aatc aatf aatk aatt abaa abab abac abad abae abaf abai abak aban abat abb- abba abbb abbe abbi abbt abca abcb abcc abcd abcf abci abcn abct abda abdi abec abed abee aben abet abff abia abib abic abid abie abin abit abta ac-t acaa acab acac acad acae acai acan acat acba acca accc accd acce accf acci acct acda acdb acdc acde acdf acdi acdt ace- acea acec aced acek acen acet acfc acfd acfe acfi acft aci- acia acic acid acie acif acin ackd acke acne acta actc acte actf acti actt adaa adab adac adad adae adai adak adan adat adba adbc adbi adcc adci adda addc addd adde addi addn adea adeb adee aden adet adfa adfc adia adib adic adie adif adik adin adit adki adna adni adta aeac aeaf aean aebi aebn aecb aeci aect aede aedt aeit aeka aena aend aent aeta aetc aetf aetn aett afaa afad afak afan afat afca afcb afcc afci afdb afdc afee afek afet affa affc affi afft afia afib afid afif afik afin afit afka afta aftc afte aftn aiai aian aiba aibn aica aicc aicd aice aicf aida aidb aidc aide aidi aidt aiea aiee aiet aifd aiff aiia aiib aiic aiid aiin aika aike aiki aina ainc aind aine aini aint aita aite aitf aiti aitt akaa akae akai akan akca akdn aked akee aken akia akid akie akif akik akin akka akki akna akte ana- anaa anab anac anad anae anai anak anan anat anba anbb anbi anca ancc ance anct and- anda ande andi andt anec anee anen anet anfa ania anib anic anie anif anik anin anit ank- anka anke anki anna annb anne anni annt ant- anta ante anti antt at-t ataa atab atac atad atae atai atak atan atat atca atcc atcf atck atdi atdt atea atec ated atee atef atei aten atfb atfc atfe atia atic atid atie atif atik atin atit atka atkt atna atta atte atti attn ba-i baaa baad baaf baak baan baat baba babb babe babi bac- baca bacc bace baci back bacn bact bada badb badd bade badi baed baek bafc baff baft baia baib baic baid baie baik bain bait bak- baka bake baki bakt bana banc band bane bani bank bann bant bata batc bate batf bati batn batt bbad bbbb bbci bbdd bbeb bbet bbfc bbfn bbin bcaa bcat bcbc bcca bccc bcci bcda bcde bcec bcet bcfc bcia bcie bcit bctc bdbc bddc bdii bdin bdna bead beaf beak bean beat beba bebb bebe bebi beca beci beck beda bede bedi beeb beed beef beek been beet befa befe beff beft beia beic beik bein beit beka beke beki bena bend bene beni benk benn bent beta betc bete beti bett bfca bfta bftt biad biaf biak bian biat biba bibb bibe bibi bica bicc bice bici bick bida bide bidi bieb bied bief bien biet bifa biff bifi biin bike bin- bina binc bind bine bini bink binn bint bita bitc bitd bite bitt bnai bnet bnib bnin bnta btaa btaf btan btcc btdt btec btek bten btfc btie bttb c-cd caaa caab caac caaf caan caat caba cabe cabf cabi cac- caca cacc cace caci cack cada cadc cadd cade cadi caec caei caen cafa cafb cafc cafe caff caia caib caic caid caik cain cait caka cake cana canc cand cane cani cank cann cant cat- cata catb catc catd cate catf cati catt cbac cbat cbbc cbca cbcc cbce cbcn cbct cbdb cbdc cbdi cbdn cbea cbec cbee cbef cbet cbfb cbfc cbia cbid cbit cbka cbkn cbna cbnd cbta cbtc cbtf ccaa ccab ccac ccad ccaf ccai ccat ccba ccbc ccbn ccca cccb cccc cccf ccci ccdc ccdf ccdi ccdn cced ccee ccfa ccfc ccfd ccff ccfi ccic ccid ccii ccna ccnb ccnc ccne ccnf ccni cctb cctc cctt cd-e cdaa cdac cdad cdai cdba cdbf cdda cddb cdec cdef cdfa cdfe cdic cdii cdna cdnb cdnc cdnf ceac cead cean ceat ceba cec- ceca cece ceci cect ceda cedd cede cedi cedt ceeb ceec cef- cefa cefc cefn ceke cen- cena cend cene ceni cent cet- ceta cete ceti cfaa cfab cfac cfae cfbc cfbn cfbt cfca cfcb cfcf cfcn cfda cffb cfia cfit cfnb cfni cfta cftc cfte cftk ciaa ciak cian ciat ciba cibc cibe cibi cica cicc cici cict cida cidc cide cidi cidt ciee cien cifa cife ciff ciia ciid ciii ciit cika cin- cina cinc cind cine cinf cini cink cint cita citb cite citf citi citt ckac ckan ckat ckbc ckbe ckbi ckck cken ckfi ckin cknb cknc cknt cktb cnaa cnac cnbc cnci cnda cndd cnet cnfa cnib cnic cnid cnie cnki cnna cnta cntc cntf cntk ctab ctae ctan ctba ctbi ctca ctcf ctec cten ctfc ctia ctic ctne ctta cttn d-na daab daad daae daan daba dabb dabt daca dace daci dact dada dade dadi daeb dafa dafc dafe daff dafi daft daia daid daie daik dain dait daka dake daki dana dand dane dani dank dann dant data date dati datt dbcc dbfc dbit dbtt dcbc dcca dccb dccc dcci dcct dcdb dcfc dcia dcii dctc dddd ddie deac dead deae deaf deak dean deba debe debi debt dec- deca decc decd dece deci deck dect deda dedd dede dedi deeb deed deef deek deen deet defe deff defi defn deft deid deie deif dein deit dek- deka deke dena dene deni denk denn dent deta dete detk detn dfaf dfcc dfdt dffa dia- diab diac diad diaf diak dian diat diba dibb dibe dica dice dici dick dict dida dide didi diea dieb died dief dien diet dif- difa diff diii dika dike diki din- dina dinc dine dini