-ic a-a a-b a-c a-i aaa aab aac aae aai aak aas ab- aba abb abc abe abi abk abs ac- aca acb acc ace aci ack acs aea aeb aec aee aei aek aes ai- aia aib aic aie aii aik ais aka akb akc ake aki akk aks as- asa asb asc ase asi ask ass baa bab bac bae bai bak bas bba bbb bbc bbe bbi bbk bbs bca bcb bcc bce bci bck bcs be- bea beb bec bee bei bek bes bi- bia bib bic bie bii bik bis bka bkb bkc bke bkk bks bsa bsb bsc bse bsi bsk bss c-- caa cab cac cae cai cak cas cba cbb cbc cbe cbi cbk cbs cca ccb ccc cce cci cck ccs ce- cea ceb cec cee cei cek ces ci- cia cib cic cie cii cik cis cka ckb ckc cki cks csa csb csc cse csi csk css eaa eab eac eae eai eak eas eba ebb ebc ebe ebi ebk ebs ec- eca ecb ecc ece eci eck ecs eea eeb eec eee eek ees eia eib eic eie eii eik eis eka ekb ekc eke eki eks es- esa esb esc ese esi esk ess ia- iaa iab iac iae iai ias iba ibb ibc ibe ibi ibk ibs ica icb icc ice ici ick ics ie- iea iec iee iei iek ies iia iib iic iie iii iis ika ikb ikc ike iki ikk iks is- isa isb isc ise isi isk iss ka- kaa kab kac kae kai kak kas kba kbb kbc kbe kbi kbk kbs kca kcb kcc kce kci kck kcs ke- kea keb kec kee kei kek kes kia kib kic kie kii kik kis kkb kkc kke kki kkk kks ksa ksb ksc kse ksi ksk kss saa sab sac sae sai sak sas sba sbb sbc sbe sbi sbk sbs sca scb scc sce sci sck scs se- sea seb sec see sei sek ses sia sib sic sie sii sik sis sk- ska skb skc ske ski skk sks ss- ssa ssb ssc sse ssi ssk sss

-ase a-ak a-be a-ii aaaa aaab aaac aaae aaai aaas aaba aabb aabc aabi aaca aacb aacc aace aaci aack aacs aaea aaec aaes aaib aaic aaii aais aaka aake aasa aasc aase aasi aass abaa abab abac abae abai abak abas abb- abba abbb abbe abbi abbs abca abcb abcc abci abcs abec abee abes abia abib abic abie abis abs- absa abse absi abss acaa acab acac acae acai acas acba acca accc acce acci accs ace- acea acec acek aces aci- acia acic acie acis acke acks acsa acsc acse acsi acss aeac aeas aebi aebs aecb aeci aeka aesc aess aiai aias aiba aica aicc aice aics aiea aiee aiia aiib aiic aika aike aiki aiks aisa aisb aise aisi aisk akaa akae akai akas akca akee akes akia akie akik akis akka akki aksa aksi asaa asab asac asae asai asak asas asba asc- asca ascb ascc asce asci asea asec asee asek ases asia asic asie asii asik asis aska aske aski asks assa assc asse assi assk asss ba-i baaa baak baas baba babb babe babi babs bac- baca bacc bace baci back bacs baek baes baia baib baic baie baik bais bak- baka bake baki baks basa basc base basi bask bass bbas bbbb bbbs bbci bbeb bcaa bcas bcbc bcbs bcca bccc bcci bccs bcec bces bcia bcie bcis bcsa bcsc bcss beak beas beba bebb bebe bebi beca beci beck becs beeb beek bees beia beic beik beis beka beke beki beks bes- besa bese besk bess biak bias biba bibb bibe bibi bibs bica bicc bice bici bick bics bieb bies biis bike bis- bisa bisc bise bisk biss bsaa bsac bsas bsci bscs bsea bseb bsec bsee bses bsic bssc bsse caaa caab caac caas caba cabe cabi cabs cac- caca cacc cace caci cack caec caei caes caia caib caic caik cais caka cake casa casb casc case casi cask cass cbac cbbc cbbs cbca cbcc cbce cbcs cbea cbec cbee cbia cbka cbsa cbsc cbse cbsi ccaa ccab ccac ccai ccas ccba ccbc ccca cccb cccc ccci cccs ccee ccic ccii ccis ccsa ccsi ccss ceac ceas ceba cebs cec- ceca cece ceci cecs ceeb ceec cees ceke cesa cesc cese cesi cess ciaa ciak cias ciba cibc cibe cibi cica cicc cici cics ciee cies ciia ciii ciis cika cis- cisa cisc cise cisk ciss ckac ckbc ckbe ckbi ckck ckcs cksa cksb csaa csab csac csak csas cscb cscc csce csci cscs csea csec csee csia csib csik csis cska csks cssa csse eaba eaca eacc eaec easa ease easi ebac ebba ebbc ebbs ebcc ebes ebic ebis ebsa ecaa ecac ecai ecbc ecbe ecca eccb eccc ecce ecci eces ecib ecis ecka ecks ecsa ecsc ecse ecss eeca eecs eeea eeee eees eeka eeke eeks eese eesi eesk eica eick eics eiec eiei eies eika eike eiki eiks eisa eise eisk eiss eka- ekab ekeb ekek ekes ekis ekka ekki eksi esab esac esai esas esba esbs esca escb esce esci escs esea esee esek eses esie esik esis eska eske esks essa esse essi i-be iaaa iaac iaai iaas iaba iaca iacc iacs iaea iaec iaia iais iasa iasc iasi iask ibac ibas ibca ibcs ibea ibec ibes ibia ibie ibis ibsa ibss icaa icab icac icai icas icbc icbs icca iccb iccc icci iccs icea icec icee ices icis icke icks icsa icsb icsc icse icsi icss ieac iecc ieie iesa iesc iesi iiac iias iica iies iiie iiii iiis iisc iisi ikea ikee ikes ikki is-a isac isae isai isak isas isba isbe isca iscc isci iscs isea iseb isec isee ises isia isic isie isis iska issa issc isse issi isss k-ci kaaa kaab kaai kaak kaas kaba kabb kabc kabe kabi kacb kacc kace kaci kacs kaei kaes kaia kaib