bbbb bbch bbci bbfc bblb bbrc bcbc bccc bcci bccl bcfc bffl bhcc bhff bhil bhir bibb bibi bibl bicc bich bici biff bifi bihi bihl bili bill birb biri birl birr blfc blic blir blrc brcb brfc bric brih bril brrr cbbc cbcc cbcl cbcr cbfb cbfc cbhl cbir cblb cblc cbrh cbrl ccbc cccb cccc cccf ccci cccl ccfc ccff ccfi ccfl cchl cchr ccic ccii ccil ccir cclc ccli ccrc ccrf ccri ccrl cfbc cfbr cfcb cfcf cfcl cffb cffr cfrb chch chci chfc chfi chfr chib chic chif chih chil chir chlc chlr chrb chrc chrf chrr cibc cibi cicc cich cici cicr ciff cifl cihr ciii cili cill cirb circ cirh ciri cirl cirr clib clic clif clii clir clri crbc crcc crcr crfc crfl crib cric crif crlf fccf fcch fcic fcii ffcc ffff ffii ffrr fhci fhlb ficc fich fifc fiff fifi fiii fiil fili fill flcl flic flii frbc frcc frfc frib fric fril h-ii hbfc hbic hcbc hccb hccc hcch hcfc hchi hhcl hhhh hi-c hibi hicc hich hiff hifh hifi hifr hihc hihi hiil hili hill hirf hiri hrbl hrfc hrib hrrc ibfi ibrc ibri icbc iccb iccc iccf icci iccl iccr icfb ichc ichi ichr icll iclr icrc icrf icrr ifbb ific ifil ifrb ifrf ifri ihcc ihrc iihl iiii iirc ilbc ilic ilir ill- illi ircc iri- iric iril irlb irrc irri lbcc lblr lcbc lccc lcfc lcfr lchc lchr lcrl lfcc lhhh libc libr lich licr liff lifl lih- lihi liii liir lilb lili lill lirc liri lirl lirr llcc lllc llll lrfc lric lrif lrrc lrrr rbbb rbbr rbcl rcbc rccb rccc rcfc rchb rcic rffc rffl rfic rhib rhli rib- ricc rich riff riif rill riri rlif rrfc rrif rrrr