-ic bbb bbc bbe bbf bbh bbi bbl bbs bcb bcc bce bcf bch bci bcl bcs be- beb bec bee bef beh bei bel bes bfb bfc bfe bff bfh bfi bfl bfs bhb bhc bhe bhf bhh bhi bhl bhs bi- bib bic bie bif bih bii bil bis blb blc ble blf blh bli bll bls bsb bsc bse bsf bsh bsi bsl bss c-- cbb cbc cbe cbf cbh cbi cbl cbs ccb ccc cce ccf cch cci ccl ccs ce- ceb cec cee cef ceh cei cel ces cfb cfc cfe cff cfh cfi cfl cfs ch- chb chc che chf chh chi chl chs ci- cib cic cie cif cih cii cil cis cl- clb clc cle clf clh cli cll cls csb csc cse csf csh csi csl css ebb ebc ebe ebf ebh ebi ebl ebs ec- ecb ecc ece ecf ech eci ecl ecs eeb eec eee eef eel ees ef- efb efc efe eff efh efi efl efs ehb ehc ehe ehf ehh ehi ehl ehs eib eic eie eif eii eil eis elb elc ele elf elh eli ell els es- esb esc ese esf esh esi esl ess fbb fbc fbe fbf fbh fbi fbl fbs fcb fcc fce fcf fci fcl fcs feb fec fee fef feh fei fel fes ffc ffe fff ffh ffi ffl ffs fhb fhc fhe fhf fhh fhi fhl fhs fib fic fie fif fih fii fil fis flb flc fle flf fli fll fls fsb fsc fse fsf fsh fsi fsl fss h-i hbb hbc hbe hbf hbh hbi hbl hbs hcb hcc hce hcf hch hci hcl hcs he- heb hec hee hef heh hei hel hes hfb hfc hfe hff hfh hfi hfl hfs hhb hhc hhe hhf hhh hhi hhl hhs hib hic hie hif hih hii hil his hlb hlc hle hlf hlh hli hll hls hsb hsc hse hsf hsh hsi hsl hss i-f ibb ibc ibe ibf ibh ibi ibl ibs icb icc ice icf ich ici icl ics ie- iec iee ief iei iel ies ifb ifc ife iff ifi ifl ifs ihb ihc ihe ihf ihh ihi ihl ihs iib iic iie iif iih iii iil iis il- ilb ilc ile ilf ilh ili ill ils is- isb isc ise isf ish isi isl iss lbb lbc lbe lbf lbh lbi lbl lbs lcb lcc lce lcf lch lci lcl lcs leb lec lee lef leh lei lel les lfb lfc lfe lff lfh lfi lfl lfs lhb lhc lhf lhh lhi lhs lib lic lie lif lih lii lil lis llb llc lle llf lli lll lls lsb lsc lse lsf lsh lsi lsl lss sbb sbc sbe sbf sbh sbi sbl sbs scb scc sce scf sch sci scl scs se- seb sec see sef seh sei sel ses sfb sfc sfe sff sfh sfi sfl sfs sh- shb shc she shf shh shi shl shs sib sic sie sif sih sii sil sis slb slc sle slf slh sli sll sls ss- ssb ssc sse ssf ssh ssi ssl sss

bbbb bbbs bbch bbci bbeb bbfc bbhs bblb bbls bcbc bcbs bccc bcci bccl bccs bcec bces bcfc bche bchs bcie bcis bcsc bcsl bcss bebb bebe bebi bech beci becs beeb beef beel bees befe beff behs beic beil beis bele beli bell bels bes- bese besh bess bfcs bffl bffs bfhs bfsi bhcc bhel bhff bhhs bhie bhil bhsf bibb bibe bibi bibl bibs bicc bice bich bici bics bieb bief biel bies biff bifi bihe bihi bihl bihs biis bile bili bill bils bis- bisc bise bish bisl biss bleb blee bleh blei bles blfc blhs blic blis blls blss bsci bscs bseb bsec bsee bses bsfc bsff bsfs bshs bsic bslc bssc bsse cbbc cbbs cbcc cbce cbcl cbcs cbec cbee cbef cbfb cbfc cbhl cbhs cblb cblc cbsc cbse cbsi ccbc cccb cccc cccf ccci cccl cccs ccee ccel ccfc ccff ccfi ccfl cche cchl cchs ccic ccii ccil ccis cclc ccli ccls ccsf ccsi ccsl ccss cebs cec- cece ceci cecs ceeb ceec ceel cees cef- cefc cehl cehs ceil cel- celc cele celf celi cell cels cesc cese cesi cess cfbc cfbs cfcb cfcf cfcl cfcs cffb cfhs cfls cfse cfsi cfsl chce chch chci chcs cheb chec chee chef cheh chel ches chfc chfi chfs chhs chib chic chie chif chih chil chis chlc chsc chse chsh chsi cibc cibe cibi cicc cich cici cics ciee ciel cies cife ciff cifl cifs cihs ciii ciis cili cill cils cis- cisc cise cish cisl ciss clec clee clef clei cles clhs clib clic clif clii clis clsc csbf cscb cscc csce cscf csch csci cscl cscs csec csee cseh csfc cshl cshs csib csis csse e-cl ebbc ebbs ebcc ebel ebes ebfc ebhs ebic ebis ebli ecbc ecbe eccb eccc ecce ecci eccl ecef eces ecfc ecfs eche echl echs ecib ecil ecis ecsc ecse ecss eecs eeee eees eefe eefl eehs eele eels eese eesi efes effi effs efhs efic efil efsh efsi ehcc eheh ehel ehhs ehis ehle eich eics eiec eiei eies eifs eile eise eish eiss el-b elbe elbi elcb elce elch elec elee elef eleh eles elfc elfe elfi elfs elhi elhs elic elie elif elil elis elle elli ells else esbs escb esce esch esci escs esee esel eses esfs eshs esie esil esis esli esse essh essi essl fbhs fbis fble fcbs fccf fcch fces fchs fcic fcii fcsc fcsl febs fece fech feeb feel fees fefc fefe feff fefi fehl feie feil feis fele felf feli fell fels fese fesh fess ffcc ffee ffff ffhs ffii ffss fhci fhfs fhhs fhlb fhss fibe fibs ficc fice fich fics fiec fief fiel fies fifc fife fiff fifi fiii fiil file fili fill fils fisc fise fish fisi fiss flcl flee fles flhs flic flii flis fscb fscc fsec fsfi fshb fshs fssc fssf h-ii hbbs hbes