bbbb bbch bbci bblb bbrc bcbc bccc bcci bccl bcru bcuc bhcc bhil bhir bhur bhuu bibb bibi bibl bicc bich bici bihi bihl bihu bili bill bilu birb biri birl birr biru blcu blic blir blrc blub blur brcb bric brih bril brrr bruc bruh bubb bubi bubu bucc buch buci bucu buhi buhl buhr buic buir buiu bulb buli bull bulu bur- burb burh buri burl burr buru cbbc cbcc cbcl cbcr cbcu cbhl cbir cblb cblc cbrh cbrl ccbc cccb cccc ccci cccl cccu cchl cchr ccic ccii ccil ccir cclc ccli ccrc ccri ccrl ccuc chch chci chib chic chih chil chir chiu chlc chlr chrb chrc chrr chub chui chul chur cibc cibi cicc cich cici cicr cicu cihr ciii cili cill cirb circ cirh ciri cirl cirr ciuc clib clic clii clir clri club cluh crbc crbu crcc crcr crib cric criu crub cub- cubb cubi cucc cuci cui- cuil cuir culb culc cull curb curi curl curr h-ii hbic hcbc hccb hccc hcch hchi hhcl hhhh hi-c hibi hibu hicc hich hihc hihi hiil hiiu hili hill hilu hiri hiru hlul hrbl hrib hrrc hubb hubi hubl huch hucu huhi huhu huib huil huir hulc huli hull hulu huri hurl hurr huru huub ibrc ibri icbc iccb iccc icci iccl iccr iccu ichc ichi ichr ichu icll iclr icrc icrr icru icub ihcc ihrc ihub iihl iiii iirc iiuc ilbc ilic ilir ill- illi ircc ircu iri- iric iril irlb irrc irri irul iucc iuiu lbcc lblr lcbc lccc lchc lchr lcrl lhhh libc libr libu lich licr lih- lihi liii liir lilb lili lill lilu lirc liri lirl lirr liru llcc lllc llll lric lrrc lrrr luch luci luhi luhu luli lull lulu luri rbbb rbbr rbcl rcbc rccb rccc rchb rcic rhib rhli rib- ribu ricc rich rill rilu riri rrrr rubb rubi rubu ruch ruci ruhh ruhi ruhl ruhr rull rurc ruri ruru ubbi ubic ubii ubir ubli ucbc ucci uchi ucil ucrc uhcl uhuh uirr ulbc ulcc ulch ulic ulli ullr ulul urbi urch urci urib uric uriu urrh urri urur uulu uuri uuuu