-ic bbb bbc bbe bbf bbh bbi bbk bbs bcb bcc bce bcf bch bci bck bcs be- beb bec bee bef beh bei bek bes bfb bfc bfe bff bfh bfi bfs bhb bhc bhe bhf bhh bhi bhk bhs bi- bib bic bie bif bih bii bik bis bkb bkc bke bkf bkk bks bsb bsc bse bsf bsh bsi bsk bss c-- cbb cbc cbe cbf cbh cbi cbk cbs ccb ccc cce ccf cch cci cck ccs ce- ceb cec cee cef ceh cei cek ces cfb cfc cfe cff cfh cfi cfk cfs ch- chb chc che chf chh chi chk chs ci- cib cic cie cif cih cii cik cis ckb ckc ckh cki cks csb csc cse csf csh csi csk css ebb ebc ebe ebf ebh ebi ebk ebs ec- ecb ecc ece ecf ech eci eck ecs eeb eec eee eef eek ees ef- efb efc efe eff efh efi efs ehb ehc ehe ehf ehh ehi ehs eib eic eie eif eii eik eis ekb ekc eke ekf ekh eki eks es- esb esc ese esf esh esi esk ess fbb fbc fbe fbf fbh fbi fbk fbs fcb fcc fce fcf fci fck fcs feb fec fee fef feh fei fek fes ffc ffe fff ffh ffi ffk ffs fhb fhc fhe fhf fhh fhi fhs fib fic fie fif fih fii fik fis fkb fkc fkf fki fkk fsb fsc fse fsf fsh fsi fsk fss h-i hbb hbc hbe hbf hbh hbi hbk hbs hcb hcc hce hcf hch hci hck hcs he- heb hec hee hef heh hei hek hes hfb hfc hfe hff hfh hfi hfk hfs hhb hhc hhe hhf hhh hhi hhk hhs hib hic hie hif hih hii hik his hkb hkf hkh hki hkk hks hsb hsc hse hsf hsh hsi hsk hss i-f ibb ibc ibe ibf ibh ibi ibk ibs icb icc ice icf ich ici ick ics ie- iec iee ief iei iek ies ifb ifc ife iff ifi ifs ihb ihc ihe ihf ihh ihi ihk ihs iib iic iie iif iih iii iis ikb ikc ike ikf iki ikk iks is- isb isc ise isf ish isi isk iss kbb kbc kbe kbf kbh kbi kbk kbs kcb kcc kce kch kci kck kcs ke- keb kec kee kef keh kei kek kes kfc kff kfh kfi kfs khe khf khh khi khk khs kib kic kie kif kih kii kik kis kkb kkc kke kkh kki kkk kks ksb ksc kse ksf ksh ksi ksk kss sbb sbc sbe sbf sbh sbi sbk sbs scb scc sce scf sch sci sck scs se- seb sec see sef seh sei sek ses sfb sfc sfe sff sfh sfi sfk sfs sh- shb shc she shf shh shi shk shs sib sic sie sif sih sii sik sis sk- skb skc ske skf skh ski skk sks ss- ssb ssc sse ssf ssh ssi ssk sss

bbbb bbbs bbch bbci bbeb bbfc bbhs bcbc bcbs bccc bcci bccs bcec bces bcfc bche bchs bcie bcis bcsc bcss bebb bebe bebi bech beci beck becs beeb beef beek bees befe beff behs beic beik beis beke beki beks bes- bese besh besk bess bfcs bffs bfhs bfsi bhcc bhff bhhs bhie bhsf bibb bibe bibi bibs bicc bice bich bici bick bics bieb bief bies biff bifi bihe bihi bihs biis bike bikh bis- bisc bise bish bisk biss bkhs bsci bscs bseb bsec bsee bses bsfc bsff bsfs bshs bsic bssc bsse cbbc cbbs cbcc cbce cbcs cbec cbee cbef cbfb cbfc cbhs cbsc cbse cbsi ccbc cccb cccc cccf ccci cccs ccee ccfc ccff ccfi cche cchs ccic ccii ccis ccsf ccsi ccss cebs cec- cece ceci cecs ceeb ceec cees cef- cefc cehs ceke cesc cese cesi cess cfbc cfbs cfcb cfcf cfcs cffb cfhk cfhs cfse cfsi chce chch chci chcs cheb chec chee chef cheh chek ches chfc chfi chfs chhs chib chic chie chif chih chik chis chkb chks chsc chse chsh chsi cibc cibe cibi cicc cich cici cics ciee cies cife ciff cifs cihs ciii ciis cis- cisc cise cish cisk ciss ckbc ckbe ckbi ckch ckck ckcs ckfi ckhs cksb cksh csbf cscb cscc csce cscf csch csci cscs csec csee cseh csfc cshs csib csik csis csks csse ebbc ebbs ebcc ebes ebfc ebhs ebic ebis ecbc ecbe eccb eccc ecce ecci ecef eces ecfc ecfs eche echs ecib ecis ecks ecsc ecse ecss eecs eeee eees eefe eehs eeke eeks eese eesi eesk efes effi effs efhs efic efik efke efsh efsi ehcc eheh ehhs ehis eich eick eics eiec eiei eies eifs eike eiki eiks eise eish eisk eiss ekch ekeb ekek ekes ekfc ekhs ekis ekki eksi esbs escb esce esch esci escs esee esek eses esfs eshs esie esik esis eske esks esse essh essi f--k fbhs fbis fcbs fccf fcch fces fchs fcic fcii fcsc febs fece fech feck feeb feek fees fefc fefe feff fefi feie feis feke fese fesh fess ffcc ffee ffff ffhs ffii ffss fhci fhfs fhhs fhss fibe fibs ficc fice fich fick fics fiec fief fies fifc fife fiff fifi fiii fike fiki fisc fise fish fisi fisk fiss fscb fscc fsck fsec fsfi fshb fshs fssc fssf h-ii hbbs hbes hbfc hbhs hbic hbss hcbc hcbs hccb hccc hcch hccs hcfc hchi hchs hcis hcsc hcss hebb hebe hebi hech heck hecs heeb heef heek hees hefe hefs hehe hehs heic heie heif heih heik heis heke hesc hesh hess hfce hfcs hfhs hfss hhhh hhhs hi-c hibi hicc hice hich hick hics hiei hies hiff hifh hifi hifk hihc hihe hihi hiie hiis hike hiki hisb hise hish hiss hkcc hkcs hkis hkse hsbc hscc hsci hsei hses hsfc hsfs hshs hski hsse i-be ibcs ibec ibeh ibes ibfi ibie ibis ibsf ibss icbc icbs iccb iccc iccf icci iccs icec icee icef ices icfb