-er -ic a-a a-b a-c a-i aaa aab aac aae aai aam aar ab- aba abb abc abe abi abm abr ac- aca acb acc ace aci acm acr aea aeb aec aee aei aem aer ai- aia aib aic aie aii aim air ama amb amc ame ami amm amr ar- ara arb arc are ari arm arr baa bab bac bae bai bam bar bba bbb bbc bbe bbi bbm bbr bca bcb bcc bce bci bcm bcr be- bea beb bec bee bei bem ber bi- bia bib bic bie bii bim bir bma bmb bmc bme bmi bmm bmr bra brb bre bri brm brr c-- caa cab cac cae cai cam car cba cbb cbc cbe cbi cbm cbr cca ccb ccc cce cci ccm ccr ce- cea ceb cec cee cei cem cer ci- cia cib cic cie cii cim cir cma cmb cmc cme cmi cmm cmr cra crb crc cre cri crm crr eaa eab eac eae eai eam ear eba ebb ebc ebe ebi ebm ebr ec- eca ecb ecc ece eci ecm ecr eea eeb eec eee eem eer eia eib eic eie eii eim eir em- ema emb emc eme emi emm emr era erb erc ere eri erm err ia- iaa iab iac iae iai iam iar iba ibb ibc ibe ibi ibm ibr ica icb icc ice ici icm icr ie- iea iec iee iei iem ier iia iib iic iie iii iim iir im- ima imb imc ime imi imm ir- ira irb irc ire iri irm irr m-r maa mab mac mae mai mam mar mba mbb mbc mbe mbi mbm mbr mc- mca mcb mcc mce mci mcm mcr mea meb mec mee mei mem mer mi- mia mib mic mie mii mim mir mma mmb mmc mme mmi mmm mmr mra mrb mrc mre mri mrm mrr ra- raa rab rac rae rai ram rar rba rbb rbc rbe rbi rbm rbr rca rcb rcc rce rci rcm rcr re- rea reb rec ree rei rem rer ria rib ric rie rii rim rir rma rmb rmc rme rmi rmm rmr rra rrb rrc rri rrm rrr

a-be a-ii aaaa aaab aaac aaae aaai aaam aaar aaba aabb aabc aabi aabm aaca aacb aacc aace aaci aacm aacr aaea aaec aaem aaib aaic aaii aama aamb aamc aame aami aamr aara aarc aare aari aarm abaa abab abac abae abai abam abar abb- abba abbb abbe abbi abbr abca abcb abcc abci abcr abec abee aber abia abib abic abie abim abir abma abmb abmc abra abrc abri acaa acab acac acae acai acar acba acca accc acce acci accm ace- acea acec acem acer aci- acia acic acie acim acir acma acmc acme acmi acr- acra acrc acre acri acrm acrr aeac aebi aecb aeci aeer aer- aera aerc aeri aiai aiba aica aicc aice aicr aiea aiee aiia aiib aiic aiir aimc aime aimi aimm aira aire airi amaa amac amae amai amam amar amb- amba ambe ambi ambr amca amcc amec amee amei amer amia amib amic amie amii amir amm- amma amme ammi amra amrc amri arab arac arae arai aram arar arba arbe arbi arc- arca arce arci arcm area arec aree arei arem aria arib arie arii arim arma armc arme armi armm arr- arra arrc arre arri arrr ba-i baaa baam baar baba babb babe babi babm babr bac- baca bacc bace baci baer baia baib baic baie bair bama bamb bamc bame bami bamm bar- bara barb barc bare bari barm barr bbbb bbci bbcm bbeb bbrc bcaa bcam bcar bcbc bcca bccc bcci bccm bcec bcer bcia bcie bcma bcra beam bear beba bebb bebe bebi beca beci beeb beem beer beia beic beim beir bema beme bera berc bere beri berm berr biar biba bibb bibe bibi bica bicc bice bici bieb bier bima bira birb bire biri birr bmaa bmce bmci bmic bmir bmmi brab brac brae brai bram brca brcb brce brea breb brec bree brei brem brer bria bric brie brim brmc brrm brrr caaa caab caac caam caba cabe cabi cac- caca cacc cace caci cacm cacr caec caei caem caer caia caib caic caim cair cama camb camc came cami camm cara carb carc care cari carm carr cbac cbar cbbc cbca cbcc cbce cbcm cbcr cbea cbec cbee cber cbia cbir cbme cbre cbrm ccaa ccab ccac ccai ccam ccar ccba ccbc ccca cccb cccc ccci cccm ccee ccic ccii ccim ccir ccma ccmb ccmc ccmm ccra ccrc ccre ccri ceac cear ceba cec- ceca cece ceci cecm ceeb ceec ceem ceim cema cemb ceme cemm cemr cer- cera cerc cere ceri ciaa ciam ciar ciba cibc cibe cibi cica cicc cici cicr ciee cier ciia ciii cima cimb cime cimi cimm cimr cira cirb circ cire ciri cirm cirr cmaa cmac cmba cmbc cmcc cmea cmec cmii cmir cmmb cmmc cmmi cmra cmri cmrr crab crac crai cram crar crbc crca crcc crce crcr cre- crea creb crec cree crei crem cria crib cric crie crim crmb eaba eaca eacc eaec eama eame eara earb eare ebac ebam ebba ebbc ebbr ebcc eber ebic ecaa ecac ecai ecam ecar ecbc ecbe ecca eccb eccc ecce ecci eccm ecem ecib ecim ecma ecmi ecra ecrc ecri ecrm ecrr eeca eeea eeee eera eerc eica eiec eiei eier eime eimi eira eire emac emae emam emar emba embe embi embr emcc emer emia emic emii emim emir emma emme emmi emra emre eram erba erbb erbe erca ercc erce ereb erec erei erem erer eria eric erie erim erma ermc erme erra errc erre i-be iaaa iaac iaai iaba iabm iaca iacc iacr iaea iaec iaia iaim iama iamb iame iami iara iarc iare ibac ibar ibbm ibca ibea ibec ibia ibie ibim ibma ibra ibrc ibri icaa icab icac icai icam icar icbc icbm icca iccb iccc icci iccr icea icec icee icem icer icma icmc icme