-ic a-a a-b a-c a-i aaa aab aac aae aaf aai aas ab- aba abb abc abe abf abi abs ac- aca acb acc ace acf aci acs aea aeb aec aee aef aei aes af- afa afb afc afe aff afi afs ai- aia aib aic aie aif aii ais as- asa asb asc ase asf asi ass baa bab bac bae baf bai bas bba bbb bbc bbe bbf bbi bbs bca bcb bcc bce bcf bci bcs be- bea beb bec bee bef bei bes bfa bfb bfc bfe bff bfi bfs bi- bia bib bic bie bif bii bis bsa bsb bsc bse bsf bsi bss c-- caa cab cac cae caf cai cas cba cbb cbc cbe cbf cbi cbs cca ccb ccc cce ccf cci ccs ce- cea ceb cec cee cef cei ces cfa cfb cfc cfe cff cfi cfs ci- cia cib cic cie cif cii cis csa csb csc cse csf csi css eaa eab eac eae eaf eai eas eba ebb ebc ebe ebf ebi ebs ec- eca ecb ecc ece ecf eci ecs eea eeb eec eee eef ees ef- efa efb efc efe eff efi efs eia eib eic eie eif eii eis es- esa esb esc ese esf esi ess faa fab fac fae faf fai fas fba fbb fbc fbe fbf fbi fbs fca fcb fcc fce fcf fci fcs fea feb fec fee fef fei fes ffa ffc ffe fff ffi ffs fia fib fic fie fif fii fis fsa fsb fsc fse fsf fsi fss i-f ia- iaa iab iac iae iaf iai ias iba ibb ibc ibe ibf ibi ibs ica icb icc ice icf ici ics ie- iea iec iee ief iei ies ifa ifb ifc ife iff ifi ifs iia iib iic iie iif iii iis is- isa isb isc ise isf isi iss saa sab sac sae saf sai sas sba sbb sbc sbe sbf sbi sbs sca scb scc sce scf sci scs se- sea seb sec see sef sei ses sfa sfb sfc sfe sff sfi sfs sia sib sic sie sif sii sis ss- ssa ssb ssc sse ssf ssi sss

-ase a-be a-ii aaaa aaab aaac aaae aaaf aaai aaas aaba aabb aabc aabi aaca aacb aacc aace aacf aaci aacs aaea aaec aaes aafa aafb aafc aaff aafi aaib aaic aaii aais aasa aasc aase aasf aasi aass abaa abab abac abae abaf abai abas abb- abba abbb abbe abbi abbs abca abcb abcc abcf abci abcs abec abee abes abff abia abib abic abie abis abs- absa abse absf absi abss acaa acab acac acae acai acas acba acca accc acce accf acci accs ace- acea acec aces acfc acfe acfi acfs aci- acia acic acie acif acis acsa acsc acse acsi acss aeac aeaf aeas aebi aebs aecb aeci aesc aess afaa afbs afca afcb afcc afci afcs afee afes affa affc affi affs afia afib afif afis afsa afsb afsc aiai aias aiba aica aicc aice aicf aics aiea aiee aiff aifs aiia aiib aiic aisa aisb aise aisi asaa asab asac asae asaf asai asas asba asc- asca ascb ascc asce asci asea asec asee ases asfa asfi asia asic asie asif asii asis assa assc asse assi asss ba-i baaa baaf baas baba babb babe babi babs bac- baca bacc bace baci bacs baes bafc baff baia baib baic baie bais basa basc base basf basi bass bbas bbbb bbbs bbci bbeb bbfc bcaa bcas bcbc bcbs bcca bccc bcci bccs bcec bces bcfc bcia bcie bcis bcsa bcsc bcss beaf beas beba bebb bebe bebi beca beci becs beeb beef bees befa befe beff beia beic beis bes- besa bese bess bfas bfca bfcs bffs bfsi biaf bias biba bibb bibe bibi bibs bica bicc bice bici bics bieb bief bies bifa biff bifi biis bis- bisa bisc bise biss bsaa bsac bsas bsci bscs bsea bseb bsec bsee bses bsfa bsfc bsff bsfs bsic bssc bsse caaa caab caac caaf caas caba cabe cabf cabi cabs cac- caca cacc cace caci caec caei caes cafa cafb cafc cafe caff cafs caia caib caic cais casa casb casc case casi cass cbac cbbc cbbs cbca cbcc cbce cbcs cbea cbec cbee cbef cbfb cbfc cbia cbsa cbsc cbse cbsi ccaa ccab ccac ccaf ccai ccas ccba ccbc ccca cccb cccc cccf ccci cccs ccee ccfa ccfc ccff ccfi ccic ccii ccis ccsa ccsf ccsi ccss ceac ceas ceba cebs cec- ceca cece ceci cecs ceeb ceec cees cef- cefa cefc cesa cesc cese cesi cess cfaa cfab cfac cfae cfbc cfbs cfca cfcb cfcf cfcs cffb cfia cfsa cfse cfsi ciaa cias ciba cibc cibe cibi cica cicc cici cics ciee cies cifa cife ciff cifs ciia ciii ciis cis- cisa cisc cise ciss csaa csab csac csas csbf cscb cscc csce cscf csci cscs csea csec csee csfc csia csib csis cssa csse eaaf eaba eaca eacc eaec eafb eaif easa ease easi ebac ebba ebbc ebbs ebcc ebes ebfc ebic ebis ebsa ecaa ecac ecai ecbc ecbe ecca eccb eccc ecce ecci ecef eces ecfa ecfc ecfs ecib ecis ecsa ecsc ecse ecss eeca eecs eeea eeee eees eefa eefe eese eesi efab efas efca efes effa effi effs efic efsa efsi eica eics eiec eiei eies eifs eisa eise eiss esab esac esai esas esba esbs esca escb esce esci escs esea esee eses esfs esie esis essa esse essi faaa faac faas faba fabe fabi fabs faca facc face facs faeb faes fafa fafc fafe faff fafi faie fais fasa fasc fase fasi fass fbis fcab fcas fcba fcbs fcca fccf fces fcic fcii fcsc feaf feas feba febs fece feeb fees fefc fefe feff fefi feia feie feis fesa fese fess ffcc ffee ffff ffii ffsa ffss fiaa fiac fiaf fias fiba fibe fibs fica ficc fice fics fiec fief fies fifa fifc fife fiff fifi fiii fisa fisc fise fisi fiss fsai fsas