-al -ic a-a a-b a-c a-i aaa aab aac aaf aai aal aar aas ab- aba abb abc abf abi abl abr abs ac- aca acb acc acf aci acl acr acs af- afa afb afc aff afi afl afr afs ai- aia aib aic aif aii ail air ais al- ala alb alc alf ali all alr als ar- ara arb arc arf ari arl arr ars as- asa asb asc asf asi asl asr ass baa bab bac baf bai bal bar bas bba bbb bbc bbf bbi bbl bbr bbs bca bcb bcc bcf bci bcl bcr bcs bfa bfb bfc bff bfi bfl bfr bfs bi- bia bib bic bif bii bil bir bis bla blb blc blf bli bll blr bls bra brb brf bri brl brr brs bsa bsb bsc bsf bsi bsl bsr bss c-- caa cab cac caf cai cal car cas cba cbb cbc cbf cbi cbl cbr cbs cca ccb ccc ccf cci ccl ccr ccs cfa cfb cfc cff cfi cfl cfr cfs ci- cia cib cic cif cii cil cir cis cl- cla clb clc clf cli cll clr cls cra crb crc crf cri crl crr crs csa csb csc csf csi csl csr css faa fab fac faf fai fal far fas fba fbb fbc fbf fbi fbl fbr fbs fca fcb fcc fcf fci fcl fcr fcs ffa ffc fff ffi ffl ffr ffs fia fib fic fif fii fil fir fis fla flb flc flf fli fll flr fls fra frb frc frf fri frl frr frs fsa fsb fsc fsf fsi fsl fsr fss i-f ia- iaa iab iac iaf iai ial iar ias iba ibb ibc ibf ibi ibl ibr ibs ica icb icc icf ici icl icr ics ifa ifb ifc iff ifi ifl ifr ifs iia iib iic iif iii iil iir iis il- ila ilb ilc ilf ili ill ilr ils ir- ira irb irc irf iri irl irr irs is- isa isb isc isf isi isl isr iss la- laa lab lac laf lai lal lar las lba lbb lbc lbf lbi lbl lbr lbs lca lcb lcc lcf lci lcl lcr lcs lfa lfb lfc lff lfi lfl lfr lfs lia lib lic lif lii lil lir lis lla llb llc llf lli lll llr lls lra lrb lrc lrf lri lrr lrs lsa lsb lsc lsf lsi lsl lsr lss ra- raa rab rac raf rai ral rar ras rba rbb rbc rbf rbi rbl rbr rbs rca rcb rcc rcf rci rcl rcr rcs rfa rfb rfc rff rfi rfl rfr rfs ria rib ric rif rii ril rir ris rla rlc rlf rli rll rlr rls rra rrb rrc rrf rri rrl rrr rrs rsa rsb rsc rsf rsi rsl rsr rss saa sab sac saf sai sal sar sas sba sbb sbc sbf sbi sbl sbr sbs sca scb scc scf sci scl scr scs sfa sfb sfc sff sfi sfl sfr sfs sia sib sic sif sii sil sir sis sla slb slc slf sli sll slr sls sr- sra srb src srf sri srl srr srs ss- ssa ssb ssc ssf ssi ssl ssr sss

a-ii aaaa aaab aaac aaaf aaai aaal aaar aaas aaba aabb aabc aabi aabl aaca aacb aacc aacf aaci aacl aacr aacs aafa aafb aafc aaff aafi aafl aaib aaic aaii aais aala aalc aali aall aals aara aarc aari aars aasa aasc aasf aasi aass abaa abab abac abaf abai abal abar abas abb- abba abbb abbi abbr abbs abca abcb abcc abcf abci abcl abcr abcs abff abia abib abic abil abir abis abla abls abra abrc abri abrs abs- absa absf absi absl abss acaa acab acac acai acar acas acba acbl acca accc accf acci accs acfc acfi acfl acfs aci- acia acic acif acir acis acla aclc acli aclr acls acr- acra acrc acri acrr acrs acsa acsc acsi acsl acss afaa afar afbs afca afcb afcc afci afcs affa affc affi affs afia afib afif afil afir afis afla aflc afr- afra afrc afri afrs afsa afsb afsc aiai aias aiba aibl aica aicc aicf aicr aics aiff aifl aifs 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 alfa alfi alfs ali- alia alib alif alii alil alir alis all- alla alli alll allr alls alsa alsc arab arac araf arai aral arar aras arba arbi arbs arc- arca arci arcs arfa arfb arfc arff arfs aria arib arif arii aril aris arla arli arr- arra arrc arri arrr arrs ars- arsa arsc arsi asaa asab asac asaf asai asal asar asas asba asc- asca ascb ascc asci ascl ascr asfa asfi asia asic asif asii asil asir asis asla asli aslr asra asrc asrs assa assc assi assl assr asss ba-i baaa baaf baal baar baas baba babb babi babr babs bac- baca bacc baci bacs bafc baff baia baib baic bail bair bais bala balc balf bali ball bals bar- bara barb barc barf bari barr bars basa basc basf basi bass bbas bbbb bbbs bbci bbfc bblb bbls bbrc bcaa bcar bcas bcbc bcbs bcca bccc bcci bccl bccs bcfc bcia bcis bcra bcrs bcsa bcsc bcsl bcss bfas bfca bfcs bffl bffs bfsi bfsr biaf bial biar bias biba bibb bibi bibl bibs bica bicc bici bics bifa biff bifi biis bila bili bill bils bira birb biri birl birr birs bis- bisa bisc bisl biss blaa blab blac blas blfc blic blir blis blls blrc blss brab brac braf brai bras brca brcb brfc bria bric bril bris brls brrr brrs brsb brsr bsaa bsac bsas bsci bscs bsfa bsfc bsff bsfs bsic bslc bsra bssc caaa caab caac caaf caal caas caba cabf cabi cabs cac- caca cacc caci cacr cafa cafb cafc caff cafl cafs caia caib caic cail cair cais cala