bbbb bbch bbci bbrc bcbc bccc bcci bcru bcuc bhcc bhir bhur bhuu bibb bibi bicc bich bici bihi bihu birb biri birr biru biry brcb bric brih brrr bruc bruh bry- bubb bubi bubu bucc buch buci bucu buhi buhr buhy buic buir buiu bur- burb burh buri burr buru bury buyi buyu bych cbbc cbcc cbcr cbcu cbir cbrh cbry ccbc cccb cccc ccci cccu cchr cchy ccic ccii ccir ccrc ccri ccuc chch chci chib chic chih chir chiu chrb chrc chrr chub chui chur chuy chy- chyc cibc cibi cicc cich cici cicr cicu cihr ciii cirb circ cirh ciri cirr ciuc ciyu crbc crbu crcc crcr crib cric criu crub cry- cryb cub- cubb cubi cuby cucc cuci cui- cuir curb curi curr cury cuy- cuyr cybb cybc cybi cyc- cycb cycc cyy- cyyc h-ii hbic hcbc hccb hccc hcch hchi hhhh hi-c hibi hibu hicc hich hihc hihi hiiu hiri hiru hrib hrrc hryb hubb hubi huby huch hucu huhi huhu huib huir huri hurr huru hury huub huyr i-by ibrc ibri ibuy ibyi icbc iccb iccc icci iccr iccu ichc ichi ichr ichu ichy icrc icrr icru icry icub ihcc ihrc ihub iiii iirc iiuc irby ircc ircu iri- iric iriy irrc irri iucc iuiu rbbb rbbr rcbc rccb rccc rchb rcic rcyc rhib rib- ribu riby ricc rich riri rrrr rubb rubi rubu ruby ruch ruci ruhh ruhi ruhr rurc ruri ruru ruyi rych ryhb ubbi ubic ubii ubir ucbc ucci uchi ucrc uhry uhuh uirr urbi urch urci urcy urib uric uriu urrh urri urry urur uuri uuuu uyir ybry yccc ycch yirb yirr yubu yuhi yuri yury yuyu yyyy