-ic a-a a-b a-c a-i aaa aab aac aad aae aai aam ab- aba abb abc abd abe abi abm ac- aca acb acc acd ace aci acm ad- ada adb adc add ade adi adm aea aeb aec aed aee aei aem ai- aia aib aic aid aie aii aim ama amb amc amd ame ami amm baa bab bac bad bae bai bam bba bbb bbc bbd bbe bbi bbm bca bcb bcc bcd bce bci bcm bda bdb bdc bdd bde bdi bdm be- bea beb bec bed bee bei bem bi- bia bib bic bid bie bii bim bma bmb bmc bmd bme bmi bmm c-- caa cab cac cad cae cai cam cba cbb cbc cbd cbe cbi cbm cca ccb ccc ccd cce cci ccm cda cdb cdc cdd cde cdi cdm ce- cea ceb cec ced cee cei cem ci- cia cib cic cid cie cii cim cma cmb cmc cmd cme cmi cmm daa dab dac dad dae dai dam dba dbb dbc dbd dbe dbi dbm dca dcb dcc dcd dce dci dcm dda ddb ddc ddd dde ddi ddm de- dea deb dec ded dee dei dem di- dia dib dic did die dii dim dma dmb dmc dmd dme dmi dmm eaa eab eac ead eae eai eam eba ebb ebc ebd ebe ebi ebm ec- eca ecb ecc ecd ece eci ecm ed- eda edb edc edd ede edi edm eea eeb eec eed eee eem eia eib eic eid eie eii eim em- ema emb emc emd eme emi emm i-d ia- iaa iab iac iad iae iai iam iba ibb ibc ibd ibe ibi ibm ica icb icc icd ice ici icm ida idb idc idd ide idi idm ie- iea iec ied iee iei iem iia iib iic iid iie iii iim im- ima imb imc imd ime imi imm maa mab mac mad mae mai mam mba mbb mbc mbd mbe mbi mbm mc- mca mcb mcc mcd mce mci mcm mda mdb mdc mdd mde mdi mdm mea meb mec med mee mei mem mi- mia mib mic mid mie mii mim mma mmb mmc mmd mme mmi mmm

a-be a-ii aaaa aaab aaac aaad aaae aaai aaam aaba aabb aabc aabd aabi aabm aaca aacb aacc aacd aace aaci aacm aada aadc aade aadi aaea aaec aaem aaib aaic aaii aama aamb aamc aamd aame aami abaa abab abac abad abae abai abam abb- abba abbb abbe abbi abca abcb abcc abcd abci abda abdi abec abed abee abia abib abic abid abie abim abma abmb abmc acaa acab acac acad acae acai acba acca accc accd acce acci accm acda acdb acdc acde acdi acdm ace- acea acec aced acem aci- acia acic acid acie acim acma acmc acme acmi adaa adab adac adad adae adai adam adba adbc adbi adcc adci adda addc addd adde addi adea adeb adee adem adia adib adic adie adim adma admb adme admi aeac aebi aecb aeci aede aiai aiba aica aicc aicd aice aida aidb aidc aide aidi aiea aiee aiia aiib aiic aiid aimc aime aimi aimm amaa amac amad amae amai amam amb- amba ambe ambi amca amcc amda amec amed amee amei amia amib amic amid amie amii amm- amma amme ammi ba-i baaa baad baam baba babb babe babi babm bac- baca bacc bace baci bada badb badd bade badi baed baia baib baic baid baie bama bamb bamc bame bami bamm bbad bbbb bbci bbcm bbdd bbeb bcaa bcam bcbc bcca bccc bcci bccm bcda bcde bcec bcia bcie bcma bdbc bddc bdii bdmi bead beam beba bebb bebe bebi beca beci beda bede bedi beeb beed beem beia beic beim bema beme biad biba bibb bibe bibi bica bicc bice bici bida bide bidi bieb bied bima bmaa bmce bmci bmdb bmic bmmi c-cd caaa caab caac caam caba cabe cabi cac- caca cacc cace caci cacm cada cadc cadd cade cadi cadm caec caei caem caia caib caic caid caim cama camb camc came cami camm cbac cbbc cbca cbcc cbce cbcm cbdb cbdc cbdi cbea cbec cbee cbia cbid cbme ccaa ccab ccac ccad ccai ccam ccba ccbc ccca cccb cccc ccci cccm ccdc ccdi ccdm cced ccee ccic ccid ccii ccim ccma ccmb ccmc ccmd ccmm cd-e cdaa cdac cdad cdai cdba cdda cddb cdec cdic cdii cdma ceac cead ceba cec- ceca cece ceci cecm ceda cedd cede cedi ceeb ceec ceem ceim cema cemb ceme cemm ciaa ciam ciba cibc cibe cibi cica cicc cici cida cidc cide cidi ciee ciia ciid ciii cima cimb cimd cime cimi cimm cmaa cmac cmba cmbc cmcc cmda cmdb cmea cmec cmii cmmb cmmc cmmi daab daad daae daam daba dabb daca dace daci dada dade dadi daeb daem daia daid daie daim dama damb dame dami damm dbcc dcbc dcca dccb dccc dcci dcdb dcia dcii dcim dcma dcmi dddd ddie deac dead deae deba debe debi dec- deca decc decd dece deci deda dedd dede dedi deeb deed deem deid deie deim dem- dema demb demd deme demi dia- diab diac diad diam diba dibb dibe dica dice dici dida dide didi diea dieb died diem diii dima dime dimi dimm dmaa dmab dmac dmae dmba dmcc dmcm dmdc dmea eaba eaca eacc eada eadb eadd eadi eaec eama eame ebac ebam ebba ebbc ebcc ebed ebic ebid ecaa ecac ecad ecai ecam ecbc ecbe ecca eccb eccc ecce ecci eccm ecdc eced ecem ecib ecim ecma ecmi edac edad edam edca edda eddc edde eddi eddm ede- edea edei edem edia edie edma edme eeca eede eeea eeee eica eid- eide eidi eiec eied eiei eime eimi emac emad emae emam emba embd embe embi emcc emia emic emid emii emim emma emme emmi i-be iaaa iaac iaai iaba iabm iaca iacc iadb iadc iaea iaec iaia iaim iama iamb iame iami ibac ibad ibbm ibca ibea ibec ibed ibia ibid ibie