-ic a-a a-b a-c a-i aaa aab aac aai aan aar aas ab- aba abb abc abi abn abr abs ac- aca acb acc aci acn acr acs ai- aia aib aic aii ain air ais an- ana anb anc ani ann anr ans ar- ara arb arc ari arn arr ars as- asa asb asc asi asn asr ass baa bab bac bai ban bar bas bba bbb bbc bbi bbn bbr bbs bca bcb bcc bci bcn bcr bcs bi- bia bib bic bii bin bir bis bna bnb bnc bni bnn bnr bns bra brb bri brn brr brs bsa bsb bsc bsi bsn bsr bss c-- caa cab cac cai can car cas cba cbb cbc cbi cbn cbr cbs cca ccb ccc cci ccn ccr ccs ci- cia cib cic cii cin cir cis cn- cna cnb cnc cni cnn cnr cns cra crb crc cri crn crr crs csa csb csc csi csn csr css ia- iaa iab iac iai ian iar ias iba ibb ibc ibi ibn ibr ibs ica icb icc ici icn icr ics iia iib iic iii iin iir iis in- ina inb inc ini inn inr ins ir- ira irb irc iri irn irr irs is- isa isb isc isi isn isr iss n-i naa nab nac nai nan nar nas nba nbb nbc nbi nbn nbr nbs nca ncb ncc nci ncn ncr ncs nia nib nic nii nin nir nis nna nnb nnc nni nnn nns nra nrb nrc nri nrn nrr nrs nsa nsb nsc nsi nsn nsr nss ra- raa rab rac rai ran rar ras rba rbb rbc rbi rbn rbr rbs rca rcb rcc rci rcn rcr rcs ria rib ric rii rin rir ris rna rnb rnc rni rnn rnr rns rra rrb rrc rri rrn rrr rrs rsa rsb rsc rsi rsn rsr rss saa sab sac sai san sar sas sba sbb sbc sbi sbn sbr sbs sca scb scc sci scn scr scs sia sib sic sii sin sir sis sna snb snc sni snn snr sns sr- sra srb src sri srn srr srs ss- ssa ssb ssc ssi ssn ssr sss

-ana a-ii aaaa aaab aaac aaai aaan aaar aaas aaba aabb aabc aabi aaca aacb aacc aaci aacn aacr aacs aaib aaic aaii aain aais aana aani aara aarc aari aars aasa aasc aasi aass abaa abab abac abai aban abar abas abb- abba abbb abbi abbr abbs abca abcb abcc abci abcn abcr abcs abia abib abic abin abir abis abra abrc abri abrs abs- absa absi abss acaa acab acac acai acan acar acas acba acca accc acci accs aci- acia acic acin acir acis acr- acra acrc acri acrr acrs acsa acsc acsi acss aiai aian aias aiba aibn aica aicc aicr aics aiia aiib aiic aiin aiir aina ainc aini ains aira airi airs aisa aisb aisi aisr ana- anaa anab anac anai anan anar anas anba anbb anbi anca ancc ania anib anic anin anir anis anna annb anni anns anrc anri ansa ansi arab arac arai aran arar aras arba arbi arbs arc- arca arci arcs aria arib arii arin aris arna arni arns arr- arra arrc arri arrr arrs ars- arsa arsc arsi asaa asab asac asai asan asar asas asba asc- asca ascb ascc asci ascr asia asic asii asin asir asis asnc asni asra asrc asrs assa assc assi assn assr asss ba-i baaa baan baar baas baba babb babi babr babs bac- baca bacc baci bacn bacs baia baib baic bain bair bais bana banc bani bann banr bans bar- bara barb barc bari barn barr bars basa basc basi bass bbas bbbb bbbs bbci bbin bbrc bcaa bcar bcas bcbc bcbs bcca bccc bcci bccs bcia bcis bcra bcrs bcsa bcsc bcsn bcss bian biar bias biba bibb bibi bibs bica bicc bici bics biin biis bin- bina binc bini binn bins bira birb biri birn birr birs bis- bisa bisc biss bnai bnas bnib bnin bnrr bnss brab brac brai bran bras brca brcb bria bric brin bris brna brns brrr brrs brsb brsr bsaa bsac bsas bsci bscs bsic bsin bsns bsra bssc caaa caab caac caan caas caba cabi cabs cac- caca cacc caci cacr caia caib caic cain cair cais cana canc cani cann cans cara carb carc cari carn carr cars casa casb casc casi casr cass cbac cbar cbbc cbbs cbca cbcc cbcn cbcr cbcs cbia cbir cbna cbrn cbsa cbsc cbsi cbsn ccaa ccab ccac ccai ccar ccas ccba ccbc ccbn ccca cccb cccc ccci cccs ccic ccii ccir ccis ccna ccnb ccnc ccni ccnr ccns ccra ccrc ccri ccrs ccsa ccsi ccsn ccss ciaa cian ciar cias ciba cibc cibi cica cicc cici cicr cics ciia ciii ciis cin- cina cinc cini cira cirb circ ciri cirr cirs cis- cisa cisc cisn cisr ciss cnaa cnac cnas cnbc cnci cnib cnic cnna cnrc cnrr cnsa cnss crab crac crai cran crar cras crbc crca crcc crcr cria crib cric crin cris crna crns 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 iain iais iana ians iara iarc iars iasa iasc iasi iasr ibac iban ibar ibas ibca ibcs ibia ibis ibns ibra ibrc ibri ibsa ibsn ibss icaa icab icac icai ican icar icas icbc icbs icca iccb iccc icci iccn iccr iccs icis icnb icnc icns icra icrc icrr icrs icsa icsb icsc icsi icsr icss iiac iias iica iiii iiis iira iirc iirs iisc iisi iisr inab inac inai inan inar inas inba inca incb inci incr incs inia inis inna inni innr inns inra inri inrs insa insc inss irac irai iran irar iras irca ircc ircs iri- iria iric irin iris irna irra irrc irri irrs irsa is-a isac isai isan isar isas isba isbn isca iscc isci iscn iscr