-ic -ji a-a a-b a-c a-i aaa aab aac aai aaj aar aas ab- aba abb abc abi abj abr abs ac- aca acb acc aci acj acr acs ai- aia aib aic aii air ais aja ajb ajc aji ajj ajr ajs ar- ara arb arc ari arj arr ars as- asa asb asc asi asj asr ass baa bab bac bai baj bar bas bba bbb bbc bbi bbr bbs bca bcb bcc bci bcj bcr bcs bi- bia bib bic bii bij bir bis bja bjc bji bjj bjr bjs bra brb bri brj brr brs bsa bsb bsc bsi bsj bsr bss c-- c-j caa cab cac cai caj car cas cba cbb cbc cbi cbj cbr cbs cca ccb ccc cci ccj ccr ccs ci- cia cib cic cii cij cir cis cja cjb cjc cjr cjs cra crb crc cri crj crr crs csa csb csc csi csj csr css ia- iaa iab iac iai iar ias iba ibb ibc ibi ibj ibr ibs ica icb icc ici icj icr ics iia iib iic iii iij iir iis ija ijb ijc iji ijs ir- ira irb irc iri irj irr irs is- isa isb isc isi isj isr iss j-i jaa jab jac jai jaj jar jas jba jbc jbi jbj jbr jbs jca jcb jcc jci jcr jcs jia jib jic jii jij jir jis jja jjb jjc jjj jjr jjs jra jrb jrc jri jrr jrs jsa jsb jsc jsi jsj jsr jss ra- raa rab rac rai raj rar ras rba rbb rbc rbi rbr rbs rca rcb rcc rci rcj rcr rcs ria rib ric rii rir ris rja rjc rjr rra rrb rrc rri rrr rrs rsa rsb rsc rsi rsj rsr rss saa sab sac sai saj sar sas sba sbb sbc sbi sbj sbr sbs sca scb scc sci scj scr scs sia sib sic sii sij sir sis sja sjb sjc sji sjj sjr sjs sr- sra srb src sri srj srr srs ss- ssa ssb ssc ssi ssj ssr sss

a-ii aaaa aaab aaac aaai aaar aaas aaba aabb aabc aabi aaca aacb aacc aaci aacr aacs aaib aaic aaii aais aara aarc aari aars aasa aasc aasi aass abaa abab abac abai abaj abar abas abb- abba abbb abbi abbr abbs abca abcb abcc abci abcr abcs abia abib abic abir abis abjs abra abrc abri abrs abs- absa absi abss acaa acab acac acai acar acas acba acca accc acci accs aci- acia acic acir acis acr- acra acrc acri acrr acrs acsa acsc acsi acss aiai aias aiba aica aicc aicr aics aiia aiib aiic aiir aija aira airi airs aisa aisb aisi aisj aisr ajab ajac ajar ajas ajba ajis ajri ajss arab arac arai arar aras arba arbi arbs arc- arca arci arcs aria arib arii arij aris arja arr- arra arrc arri arrr arrs ars- arsa arsc arsi asaa asab asac asai asar asas asba asc- asca ascb ascc asci ascj ascr asia asic asii asij asir asis asja asra asrc asrs assa assc assi assr asss ba-i baaa baar baas baba babb babi babr babs bac- baca bacc baci bacs baia baib baic bair bais baja baji bajs bar- bara barb barc bari barr bars basa basc basi bass bbas bbbb bbbs bbci bbrc bcaa bcar bcas bcbc bcbs bcca bccc bcci bccs bcia bcis bcra bcrs bcsa bcsc bcss biaj biar bias biba bibb bibi bibs bica bicc bici bics biis bija biji bijs bira birb biri birr birs bis- bisa bisc biss bjcc brab brac brai braj bras brca brcb bria bric bris brrr brrs brsb brsr bsaa bsac bsas bsci bscs bsic bsra bssc caaa caab caac caas caba cabi cabs cac- caca cacc caci cacr caia caib caic cair cais caja caji cara carb carc cari carj carr cars casa casb casc casi casr cass cbac cbar cbbc cbbs cbca cbcc cbcr cbcs cbia cbir cbrj cbsa cbsc cbsi ccaa ccab ccac ccai ccar ccas ccba ccbc ccca cccb cccc ccci cccs ccic ccii ccir ccis ccra ccrc ccri ccrs ccsa ccsi ccss ciaa ciar cias ciba cibc cibi cica cicc cici cicr cics ciia ciii ciis cira cirb circ ciri cirr cirs cis- cisa cisc cisr ciss cjar cjbc cjca cjcb cjcj cjcs cjic cjrb cjrc cjrj cjrs cjsb cjss crab crac crai craj crar cras crbc crca crcc crcr cria crib cric cris crsa crss csaa csab csac csar csas cscb cscc csci cscr cscs csia csib csir csis csra csrc csrs cssa cssr iaaa iaac iaai iaas iaba iaca iacc iacr iacs iaia iais iara iarc iars iasa iasc iasi iasr ibac ibar ibas ibca ibcs ibia ibis ibra ibrc ibri ibsa ibss icaa icab icac icai icar icas icbc icbs icca iccb iccc icci iccr iccs icis icra icrc icrr icrs icsa icsb icsc icsi icsr icss iiac iias iica iiii iiis iira iirc iirs iisc iisi iisj iisr ijji irac irai iraj irar iras irca ircc ircs iri- iria iric iris irra irrc irri irrs irsa is-a isac isai isar isas isba isca iscc isci iscr iscs isia isic isis isra isri issa issc issi issr isss jaar jaas jaba jabi jabr jabs jaca jacc jaci jacs jair jais jaja jaji jara jarc jari jarr jars jasa jasc jass jbaa jbar jcbc jccc jcci jcrc jcss jias jibb jibi jibs jiji jira jiri jisa jisc jjar jjcc jrbr jsci jssr jsss raab raaj raas raba rabb rabi rabs rac- raca racc raci racs raia raic raii rair rais raja raji rajs rara rarb rari rars rasa rasc rasi rass rbbb rbbr rbbs rbis rbss rcac rcas rcbc rccb rccc rccs rcic rcis rcsa rcsc rcsi rcss riaa riab riai rias rib- riba ribs rica ricc rics riia riis riji rijs riri rirs risa risc risi riss rras rrrr rsaa rsai rsaj rsbi rscc rscs rsis rssa s-ib s-ic s-ii sa-c saab saac saaj saar saas saba sabb sabc sabi