-ic bbb bbc bbe bbg bbh bbi bbk bbl bcb bcc bce bcg bch bci bck bcl be- beb bec bee beg beh bei bek bel bgb bgc bge bgg bgh bgi bgk bgl bhb bhc bhe bhg bhh bhi bhk bhl bi- bib bic bie big bih bii bik bil bkb bkc bke bkg bkk bkl blb blc ble blg blh bli blk bll c-- cbb cbc cbe cbg cbh cbi cbk cbl ccb ccc cce ccg cch cci cck ccl ce- ceb cec cee ceg ceh cei cek cel cgb cgc cge cgg cgh cgi cgl ch- chb chc che chg chh chi chk chl ci- cib cic cie cig cih cii cik cil ckb ckc ckh cki cl- clb clc cle clg clh cli clk cll ebb ebc ebe ebg ebh ebi ebk ebl ec- ecb ecc ece ecg ech eci eck ecl eeb eec eee eeg eek eel egb egc ege egg egh egi egl ehb ehc ehe ehg ehh ehi ehl eib eic eie eig eii eik eil ekb ekc eke ekg ekh eki ekl elb elc ele elg elh eli elk ell gbc gbe gbg gbh gbi gbk gbl gcb gcc gce gcg gch gci gck gcl ge- geb gec gee geg geh gei gek gel ggb ggc ggg ggh ggi ghb ghc ghe ghg ghh ghi ghl gib gic gie gig gih gii gik gil gkb gkh glb glc gle glg glh gli glk gll h-i hbb hbc hbe hbg hbh hbi hbk hbl hcb hcc hce hcg hch hci hck hcl he- heb hec hee heg heh hei hek hel hgb hgc hge hgg hgh hgi hgk hgl hhb hhc hhe hhg hhh hhi hhk hhl hib hic hie hig hih hii hik hil hkb hkg hkh hki hkk hkl hlb hlc hle hlg hlh hli hll ibb ibc ibe ibg ibh ibi ibk ibl icb icc ice icg ich ici ick icl ie- iec iee ieg iei iek iel igb igc ige igg igh igi igk igl ihb ihc ihe ihg ihh ihi ihk ihl iib iic iie iih iii iil ikb ikc ike iki ikk ikl il- ilb ilc ile ilg ilh ili ilk ill kbb kbc kbe kbh kbi kbk kbl kcb kcc kce kcg kch kci kck kcl ke- keb kec kee keg keh kei kek kel kgb kgc kgh kgi kgl khe khh khi khk kib kic kie kig kih kii kik kil kkb kkc kke kkh kki kkk kkl kl- klb klc klg klh kli lbb lbc lbe lbg lbh lbi lbk lbl lcb lcc lce lcg lch lci lck lcl leb lec lee leg leh lei lek lel lgb lgc lge lgg lgh lgi lgk lgl lhb lhc lhh lhi lhk lib lic lie lig lih lii lik lil lkb lkg lkh lkl llb llc lle llg lli llk lll

bbbb bbch bbci bbeb bblb bcbc bcbg bccc bcci bccl bcec bche bcie bebb bebe bebi bech beci beck beeb beeg beek beel begg begi beic beik beil beke beki bele belg beli belk bell bhcc bhel bhie bhil bibb bibe bibi bibl bicc bice bicg bich bici bick bieb biel bigb bigc bige bigg bihe bihi bihl bike bikh bile bili bilk bill bleb blee bleg bleh blei blek blic blik blkb cbbc cbcc cbce cbcl cbec cbee cbgb cbhl cbkg cbkl cblb cblc ccbc cccb cccc ccci cccl ccee ccel ccgc cche cchl ccic ccii ccil cclc cclg ccli cec- cece ceci ceeb ceec ceel cege cehl ceil ceke cel- celc cele celi cell cgcc cgcg cgel chce chch chci cheb chec chee cheh chek chel chgb chge chib chic chie chig chih chik chil chkb chlc cibc cibe cibi cicc cich cici ciee ciel cigi ciii cili cilk cill ckbc ckbe ckbi ckch ckck ckcl ckgl cklg clec clee cleg clei clek clib clic clig clii clik clkg e-cl ebbc ebcc ebel ebic ebli ecbc ecbe eccb eccc ecce ecci eccl eche echl ecib ecig ecil eeee eeke eele egbe egcc egcg egec egee egel eggb egge eggh eggi eghe eghh egil eglc egle egli ehcc eheh ehel ehle eich eick eiec eiei eige eigg eigh eike eiki eile ekch ekeb ekek ekki el-b elbe elbi elcb elce elch elec elee eleh elek elgg elhi elic elie elik elil elke elki elle elli gc-c gcbc gccc gcic gcii gclc gebe gebi gece geck geek geel gege gegg gegl geic geie geig geil geki gelb gele gelg geli gell ggcl gggg gghg ghee gheg ghel ghib ghll gibb gibe gibh gick giel gige gigg gigi gihe gikh gile gilg gili gilk gill glbc glcc glce gleb glee gleg glei glge gli- glib glic glie h-ii hbic hcbc hccb hccc hcch hcgh hchi hebb hebe hebi hech heck heeb heeg heek heel hege hegg hegh hegi hehe heic heie heih heik heil heke hele heli helk hell hggc hhcl hhgg hhhh hi-c hibi hicc hice hich hick hiei hige high higi higl hihc hihe hihi hiie hiil hike hiki hile hili hill hkcc hkcl hlik i-be ibec ibeg ibeh ibge ibie ible icbc iccb iccc icci iccl icec icee icel icgc ichc iche ichi icke icle icll iecc ieie iele igbc igcc igel ighe igil igkc igli ihcc iihl iiie iiii ikee ikig ikki ilbc ilce ile- ilec ilek ilic ilie ilke ilki ill- ille illi k-ci kbbb kbbc kbbe kbbg kbbi kbbk kbbl kbcb kbce kbch kbci kbck kbcl kbeb kbec kbee kbeh kbek kbel kbgb kbge kbgg kbgh kbgl kbhb kbhc kbhe kbhh kbhi kbhl kbib kbic kbie kbig kbik kbil kbkb kbkg kbkk kbkl kblb kble kblg kbll kcbc kcbi kcbk kcbl kccb kccc kcci kcck kccl kceb kcec kcee kceg kcei kcel kcgc kcgi kcgl kche kchg kchh kchi kchk kchl kcic kcie kcii kcil kckc kckk kckl kclc kcle kclh kcli kclk kcll kebb kebc kebe kebi kecg kech keck keeh keek keel kege kegg kegh kegi kegk kegl kehk kehl keib keig keii keik keil kekb kekc keke