-al -ic a-a a-b a-c a-i aaa aab aac aai aal aar aas ab- aba abb abc abi abl abr abs ac- aca acb acc aci acl acr acs ai- aia aib aic aii ail air ais al- ala alb alc ali all alr als ar- ara arb arc ari arl arr ars as- asa asb asc asi asl asr ass baa bab bac bai bal bar bas bba bbb bbc bbi bbl bbr bbs bca bcb bcc bci bcl bcr bcs bi- bia bib bic bii bil bir bis bla blb blc bli bll blr bls bra brb bri brl brr brs bsa bsb bsc bsi bsl bsr bss c-- caa cab cac cai cal car cas cba cbb cbc cbi cbl cbr cbs cca ccb ccc cci ccl ccr ccs ci- cia cib cic cii cil cir cis cl- cla clb clc cli cll clr cls cra crb crc cri crl crr crs csa csb csc csi csl csr css ia- iaa iab iac iai ial iar ias iba ibb ibc ibi ibl ibr ibs ica icb icc ici icl icr ics iia iib iic iii iil iir iis il- ila ilb ilc ili ill ilr ils ir- ira irb irc iri irl irr irs is- isa isb isc isi isl isr iss la- laa lab lac lai lal lar las lba lbb lbc lbi lbl lbr lbs lca lcb lcc lci lcl lcr lcs lia lib lic lii lil lir lis lla llb llc lli lll llr lls lra lrb lrc lri lrr lrs lsa lsb lsc lsi lsl lsr lss ra- raa rab rac rai ral rar ras rba rbb rbc rbi rbl rbr rbs rca rcb rcc rci rcl rcr rcs ria rib ric rii ril rir ris rla rlc rli rll rlr rls rra rrb rrc rri rrl rrr rrs rsa rsb rsc rsi rsl rsr rss saa sab sac sai sal sar sas sba sbb sbc sbi sbl sbr sbs sca scb scc sci scl scr scs sia sib sic sii sil sir sis sla slb slc sli sll slr sls sr- sra srb src sri srl srr srs ss- ssa ssb ssc ssi ssl ssr sss

a-ii aaaa aaab aaac aaai aaal aaar aaas aaba aabb aabc aabi aabl aaca aacb aacc aaci aacl aacr aacs aaib aaic aaii aais aala aalc aali aall aals aara aarc aari aars aasa aasc aasi aass abaa abab abac abai abal abar abas abb- abba abbb abbi abbr abbs abca abcb abcc abci abcl abcr abcs abia abib abic abil abir abis abla abls abra abrc abri abrs abs- absa absi absl abss acaa acab acac acai acar acas acba acbl acca accc acci accs aci- acia acic acir acis acla aclc acli aclr acls acr- acra acrc acri acrr acrs acsa acsc acsi acsl acss aiai aias aiba aibl aica aicc aicr aics aiia aiib aiic aiir aila aili ails aira airi airs aisa aisb aisi aisl aisr alaa alac alai alal alar alas alb- alba albc albi albs alca alcc alcs ali- alia alib alii alil alir alis all- alla alli alll allr alls alsa alsc arab arac arai aral arar aras arba arbi arbs arc- arca arci arcs aria arib arii aril aris arla arli arr- arra arrc arri arrr arrs ars- arsa arsc arsi asaa asab asac asai asal asar asas asba asc- asca ascb ascc asci ascl ascr asia asic asii asil asir asis asla asli aslr asra asrc asrs assa assc assi assl assr asss ba-i baaa baal baar baas baba babb babi babr babs bac- baca bacc baci bacs baia baib baic bail bair bais bala balc bali ball bals bar- bara barb barc bari barr bars basa basc basi bass bbas bbbb bbbs bbci bblb bbls bbrc bcaa bcar bcas bcbc bcbs bcca bccc bcci bccl bccs bcia bcis bcra bcrs bcsa bcsc bcsl bcss bial biar bias biba bibb bibi bibl bibs bica bicc bici bics biis bila bili bill bils bira birb biri birl birr birs bis- bisa bisc bisl biss blaa blab blac blas blic blir blis blls blrc blss brab brac brai bras brca brcb bria bric bril bris brls brrr brrs brsb brsr bsaa bsac bsas bsci bscs bsic bslc bsra bssc caaa caab caac caal caas caba cabi cabs cac- caca cacc caci cacr caia caib caic cail cair cais cala calc cali call cals cara carb carc cari carl carr cars casa casb casc casi casl casr cass cbac cbal cbar cbbc cbbs cbca cbcc cbcl cbcr cbcs cbia cbir cblb cblc cbrl cbsa cbsc cbsi ccaa ccab ccac ccai ccar ccas ccba ccbc ccca cccb cccc ccci cccl cccs ccic ccii ccil ccir ccis ccla cclc ccli ccls ccra ccrc ccri ccrl ccrs ccsa ccsi ccsl ccss ciaa cial ciar cias ciba cibc cibi cica cicc cici cicr cics ciia ciii ciis cila cili cill cils cira cirb circ ciri cirl cirr cirs cis- cisa cisc cisl cisr ciss clab clai clar clas clib clic clii clir clis clra clri clrs clsa clsc crab crac crai crar cras crbc crca crcc crcr cria crib cric cris crls crsa crss csaa csab csac csar csas cscb cscc csci cscl cscr cscs csia csib csir csis csla cslr csra csrc csrs cssa cssr iaaa iaac iaai iaal iaas iaba iaca iacc iacr iacs iaia iais iala iall ials iara iarc iars iasa iasc iasi iasr ibac ibar ibas ibca ibcs ibia ibis ibra ibrc ibri ibsa ibss icaa icab icac icai ical icar icas icbc icbs icca iccb iccc icci iccl iccr iccs icis icll iclr icra icrc icrr icrs icsa icsb icsc icsi icsr icss iiac iias iica iiii iiis iila iira iirc iirs iisc iisi iisr ilac ilal ilar ilas ilbc ilca ilia ilic ilir ilis ill- illa illi ills ilsa irac irai iral irar iras irca ircc ircs iri- iria iric iril iris irla irlb irra irrc irri irrs irsa is-a isac isai isal isar isas isba isbl