-er -ic a-a a-b a-c a-i aaa aab aac aae aai aar aas ab- aba abb abc abe abi abr abs ac- aca acb acc ace aci acr acs aea aeb aec aee aei aer aes ai- aia aib aic aie aii air ais ar- ara arb arc are ari arr ars as- asa asb asc ase asi asr ass baa bab bac bae bai bar bas bba bbb bbc bbe bbi bbr bbs bca bcb bcc bce bci bcr bcs be- bea beb bec bee bei ber bes bi- bia bib bic bie bii bir bis bra brb bre bri brr brs bsa bsb bsc bse bsi bsr bss c-- caa cab cac cae cai car cas cba cbb cbc cbe cbi cbr cbs cca ccb ccc cce cci ccr ccs ce- cea ceb cec cee cei cer ces ci- cia cib cic cie cii cir cis cra crb crc cre cri crr crs csa csb csc cse csi csr css eaa eab eac eae eai ear eas eba ebb ebc ebe ebi ebr ebs ec- eca ecb ecc ece eci ecr ecs eea eeb eec eee eer ees eia eib eic eie eii eir eis era erb erc ere eri err ers es- esa esb esc ese esi esr ess ia- iaa iab iac iae iai iar ias iba ibb ibc ibe ibi ibr ibs ica icb icc ice ici icr ics ie- iea iec iee iei ier ies iia iib iic iie iii iir iis ir- ira irb irc ire iri irr irs is- isa isb isc ise isi isr iss ra- raa rab rac rae rai rar ras rba rbb rbc rbe rbi rbr rbs rca rcb rcc rce rci rcr rcs re- rea reb rec ree rei rer res ria rib ric rie rii rir ris rra rrb rrc rri rrr rrs rsa rsb rsc rse rsi rsr rss saa sab sac sae sai sar sas sba sbb sbc sbe sbi sbr sbs sca scb scc sce sci scr scs se- sea seb sec see sei ser ses sia sib sic sie sii sir sis sr- sra srb src sre sri srr srs ss- ssa ssb ssc sse ssi ssr sss

-ase a-be a-ii aaaa aaab aaac aaae aaai aaar aaas aaba aabb aabc aabi aaca aacb aacc aace aaci aacr aacs aaea aaec aaes aaib aaic aaii aais aara aarc aare aari aars aasa aasc aase aasi aass abaa abab abac abae abai abar abas abb- abba abbb abbe abbi abbr abbs abca abcb abcc abci abcr abcs abec abee aber abes abia abib abic abie abir abis abra abrc abri abrs abs- absa abse absi abss acaa acab acac acae acai acar acas acba acca accc acce acci accs ace- acea acec acer aces aci- acia acic acie acir acis acr- acra acrc acre acri acrr acrs acsa acsc acse acsi acss aeac aeas aebi aebs aecb aeci aeer aer- aera aerc aeri aers aesc aess aiai aias aiba aica aicc aice aicr aics aiea aiee aiia aiib aiic aiir aira aire airi airs aisa aisb aise aisi aisr arab arac arae arai arar aras arba arbe arbi arbs arc- arca arce arci arcs area arec aree arei ares aria arib arie arii aris arr- arra arrc arre arri arrr arrs ars- arsa arsc arse arsi asaa asab asac asae asai asar asas asba asc- asca ascb ascc asce asci ascr asea asec asee aser ases asia asic asie asii asir asis asra asrc asrs assa assc asse assi assr asss ba-i baaa baar baas baba babb babe babi babr babs bac- baca bacc bace baci bacs baer baes baia baib baic baie bair bais bar- bara barb barc bare bari barr bars basa basc base basi bass bbas bbbb bbbs bbci bbeb bbrc bcaa bcar bcas bcbc bcbs bcca bccc bcci bccs bcec bcer bces bcia bcie bcis bcra bcrs bcsa bcsc bcss bear beas beba bebb bebe bebi beca beci becs beeb beer bees beia beic beir beis bera berc bere beri berr bers bes- besa bese bess biar bias biba bibb bibe bibi bibs bica bicc bice bici bics bieb bier bies biis bira birb bire biri birr birs bis- bisa bisc bise biss brab brac brae brai bras brca brcb brce brea breb brec bree brei brer bres bria bric brie bris brrr brrs brsb brsr bsaa bsac bsas bsci bscs bsea bseb bsec bsee bser bses bsic bsra bssc bsse caaa caab caac caas caba cabe cabi cabs cac- caca cacc cace caci cacr caec caei caer caes caia caib caic cair cais cara carb carc care cari carr cars casa casb casc case casi casr cass cbac cbar cbbc cbbs cbca cbcc cbce cbcr cbcs cbea cbec cbee cber cbia cbir cbre cbsa cbsc cbse cbsi ccaa ccab ccac ccai ccar ccas ccba ccbc ccca cccb cccc ccci cccs ccee ccic ccii ccir ccis ccra ccrc ccre ccri ccrs ccsa ccsi ccss ceac cear ceas ceba cebs cec- ceca cece ceci cecs ceeb ceec cees cer- cera cerc cere ceri cers cesa cesc cese cesi cesr cess ciaa ciar cias ciba cibc cibe cibi cica cicc cici cicr cics ciee cier cies ciia ciii ciis cira cirb circ cire ciri cirr cirs cis- cisa cisc cise cisr ciss crab crac crai crar cras crbc crca crcc crce crcr cre- crea creb crec cree crei cres cria crib cric crie cris crsa crss csaa csab csac csar csas cscb cscc csce csci cscr cscs csea csec csee cser csia csib csir csis csra csrc csrs cssa csse cssr eaba eaca eacc eaec eara earb eare ears easa ease easi ebac ebba ebbc ebbr ebbs ebcc eber ebes ebic ebis ebsa ecaa ecac ecai ecar ecbc ecbe ecca eccb eccc ecce ecci eces ecib ecis ecra ecrc ecri ecrr ecsa ecsc ecse ecss eeca eecs eeea eeee eees eera eerc eers eese eesi eica eics eiec eiei eier eies eira eire eirs eisa eise eiss eras erba erbb erbe