bbbb bbci bblb bbrc bbrg bcbc bcbg bccc bcci bccl bibb bibi bibl bicc bicg bici bick bigb bigc bigg bili bilk bill birb birg biri birk birl birr blic blik blir blkb blrc blrg brcb bric brig brik bril brkb brrr cbbc cbcc cbcl cbcr cbgb cbir cbkg cbkl cbkr cblb cblc cbrl ccbc cccb cccc ccci cccl ccgc ccic ccii ccil ccir cclc cclg ccli ccrc ccrg ccri ccrl cgcc cgcg cibc cibi cicc cici cicr cigi ciii cikr cili cilk cill cirb circ ciri cirk cirl cirr ckbc ckbi ckck ckcl ckgl cklg ckrc clib clic clig clii clik clir clkg clri crbc crcc crcr crib cric crig crik crkc crkl gc-c gcbc gccc gcic gcii gclc gcrg ggcl gggg gibb gick gicr gigg gigi gilg gili gilk gill girg giri girk girl girr glbc glcc gli- glib glic glrb grbr grcc grib gric grig gril grrl grrr ibrc ibri icbc iccb iccc icci iccl iccr icgc icll iclr icrc icrr igbc igcc igil igkc igli igri iiii iirc ikig ikki ikri ilbc ilic ilir ilki ill- illi ircc ircg iri- iric irig iril irki irlb irrc irri k-ci kbbb kbbc kbbg kbbi kbbk kbbl kbbr kbcb kbci kbck kbcl kbcr kbgb kbgg kbgl kbgr kbib kbic kbig kbik kbil kbkb kbkg kbkk kbkl kbkr kblb kblg kbll kblr kbrb kbrc kbrg kbri kbrk kbrl kcbc kcbi kcbk kcbl kcbr kccb kccc kcci kcck kccl kccr kcgc kcgi kcgl kcgr kcic kcii kcil kcir kckc kckk kckl kckr kclc kcli kclk kcll kclr kcrc kcrg kcri kcrr kgbb kgbc kgbr kgcb kgcc kgcl kgcr kggg kggi kggl kggr kgil kgir kgkl kglb kgli kglk kglr kgrb kgrc kgrg kgri kgrk kgrr kibb kibc kibg kibi kibl kibr kicb kicc kicg kick kicl kicr kigc kigl kiic kiii kiik kikc kiki kikk kikr kilb kili kilk kill kilr kirb kirc kiri kirk kirr kkbb kkbg kkbi kkbl kkbr kkcb kkci kkck kkcl kkcr kkgb kkgl kkgr kkic kkik kkkk kklb kklc kkli kkll kkrb kkrc kkrk kkrl kkrr klbb klbc klbl klcb klcc klci klck klcl klcr klgb klgl klgr klib klic klik klil klir klkc klkk klkl klkr kllb kllc kllk klrc klrg klrk klrr krbb krbg krbi krbk krbl krbr krcb krcc krcg krci krcl krgi krib krik kril krkc krki krkk krkr krlc krrb krrc krrg krri krrk krrl krrr lbcc lblr lcbc lccc lcrg lcrl libc libr lick licr ligc ligg ligi liig liii liir lilb lilg lili lill lirc lirg liri lirk lirl lirr llcc llgc lllc llll lrgb lric lrrc lrrr rbbb rbbr rbcl rcbc rccb rccc rcgc rcic rcrg rgbi rib- ricc rick rigg rigi riki rikk rill riri rlcg rrrr