-ic -ji a-a a-b a-c a-i aaa aab aac aai aaj aak aar aas ab- aba abb abc abi abj abk abr abs ac- aca acb acc aci acj ack acr acs ai- aia aib aic aii aik air ais aja ajb ajc aji ajj ajk ajr ajs aka akb akc aki akj akk akr aks ar- ara arb arc ari arj ark arr ars as- asa asb asc asi asj ask asr ass baa bab bac bai baj bak bar bas bba bbb bbc bbi bbk bbr bbs bca bcb bcc bci bcj bck bcr bcs bi- bia bib bic bii bij bik bir bis bja bjc bji bjj bjk bjr bjs bka bkb bkc bkk bkr bks bra brb bri brj brk brr brs bsa bsb bsc bsi bsj bsk bsr bss c-- c-j caa cab cac cai caj cak car cas cba cbb cbc cbi cbj cbk cbr cbs cca ccb ccc cci ccj cck ccr ccs ci- cia cib cic cii cij cik cir cis cja cjb cjc cjk cjr cjs cka ckb ckc cki cks cra crb crc cri crj crk crr crs csa csb csc csi csj csk csr css ia- iaa iab iac iai iar ias iba ibb ibc ibi ibj ibk ibr ibs ica icb icc ici icj ick icr ics iia iib iic iii iij iir iis ija ijb ijc iji ijk ijs ika ikb ikc iki ikk ikr iks ir- ira irb irc iri irj irk irr irs is- isa isb isc isi isj isk isr iss j-i jaa jab jac jai jaj jak jar jas jba jbc jbi jbj jbk jbr jbs jca jcb jcc jci jck jcr jcs jia jib jic jii jij jir jis jja jjb jjc jjj jjk jjr jjs jka jkb jkk jkr jks jra jrb jrc jri jrk jrr jrs jsa jsb jsc jsi jsj jsk jsr jss ka- kaa kab kac kai kaj kak kar kas kba kbb kbc kbi kbk kbr kbs kca kcb kcc kci kck kcr kcs kia kib kic kii kij kik kir kis kjb kjc kji kjr kjs kkb kkc kki kkk kkr kks kra krc kri krk krr krs ksa ksb ksc ksi ksk ksr kss ra- raa rab rac rai raj rak rar ras rba rbb rbc rbi rbk rbr rbs rca rcb rcc rci rcj rcr rcs ria rib ric rii rik rir ris rja rjc rjk rjr rkb rkc rkk rks rra rrb rrc rri rrk rrr rrs rsa rsb rsc rsi rsj rsk rsr rss saa sab sac sai saj sak sar sas sba sbb sbc sbi sbj sbk sbr sbs sca scb scc sci scj sck scr scs sia sib sic sii sij sik sir sis sja sjb sjc sji sjj sjk sjr sjs sk- ska skb skc ski skj skk skr sks sr- sra srb src sri srj srk srr srs ss- ssa ssb ssc ssi ssj ssk ssr sss

a-ak a-ii aaaa aaab aaac aaai aaar aaas aaba aabb aabc aabi aaca aacb aacc aaci aack aacr aacs aaib aaic aaii aais aaka aara aarc aari aars aasa aasc aasi aass abaa abab abac abai abaj abak 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 acks acr- acra acrc acri acrr acrs acsa acsc acsi acss aiai aias aiba aica aicc aicr aics aiia aiib aiic aiir aija aika aiki aiks aira airi airs aisa aisb aisi aisj aisk aisr ajab ajac ajak ajar ajas ajba ajis ajka ajri ajss akaa akai akar akas akca akia akij akik akir akis akka akki akr- akra aksa aksi arab arac arai arak arar aras arba arbi arbs arc- arca arci arcs aria arib arii arij arik aris arja arka arki arks arr- arra arrc arri arrk arrr arrs ars- arsa arsc arsi arsk asaa asab asac asai asak asar asas asba asc- asca ascb ascc asci ascj ascr asia asic asii asij asik asir asis asja aska aski askr asks asra asrc asrs assa assc assi assk assr asss ba-i baaa baak baar baas baba babb babi babr babs bac- baca bacc baci back bacs baia baib baic baik bair bais baja baji bajs bak- baka baki bakr baks bar- bara barb barc bari bark barr bars basa basc basi bask bass bbas bbbb bbbs bbci bbrc bcaa bcar bcas bcbc bcbs bcca bccc bcci bccs bcia bcis bcra bcrs bcsa bcsc bcss biaj biak biar bias biba bibb bibi bibs bica bicc bici bick bics biis bija biji bijs bira birb biri birk birr birs bis- bisa bisc bisk biss bjcc brab brac brai braj brak bras brca brcb bria bric brik bris brka brkb brrr brrs brsb brsr bsaa bsac bsas bsci bscs bsic bsra bssc caaa caab caac caas caba cabi cabs cac- caca cacc caci cack cacr caia caib caic caik cair cais caja caji caka cara carb carc cari carj cark carr cars casa casb casc casi cask casr cass cbac cbar cbbc cbbs cbca cbcc cbcr cbcs cbia cbir cbka cbkj cbkr 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 ciak ciar cias ciba cibc cibi cica cicc cici cicr cics ciia ciii ciis cika cikr cira cirb circ ciri cirk cirr cirs cis- cisa cisc cisk cisr ciss cjar cjbc cjbk cjca cjcb cjcj cjcs cjic cjrb cjrc cjrj cjrs cjsb cjss ckac ckbc ckbi ckck ckcs ckjr ckjs ckrc cksa cksb crab crac crai craj crar cras crbc crca crcc crcr cria crib cric crik cris crkc crsa crss csaa csab csac csak csar csas cscb cscc csci cscr cscs csia csib csik csir csis cska csks csra csrc csrs cssa cssr iaaa iaac iaai iaas iaba