bbbb bbch bbci bbrc bbrg bcbc bcbg bccc bcci bcru bcuc bhcc bhir bhur bhuu bibb bibi bicc bicg bich bici bigb bigc bigg bigu bihi bihu birb birg biri birr biru brcb bric brig brih brrr bruc brug bruh bubb bubi bubu bucc buch buci bucu bugg bugh bugi buhi buhr buic buir buiu bur- burb burg burh buri burr buru cbbc cbcc cbcr cbcu cbgb cbir cbrh ccbc cccb cccc ccci cccu ccgc cchr ccic ccii ccir ccrc ccrg ccri ccuc cgcc cgcg chch chci chgb chib chic chig chih chir chiu chrb chrc chrr chub chug chui chur cibc cibi cicc cich cici cicr cicu cigi cigu cihr ciii cirb circ cirh ciri cirr ciuc crbc crbu crcc crcr crib cric crig criu crub crug cub- cubb cubi cucc cuci cui- cuir curb curi curr gc-c gcbc gccc gcic gcii gcrg gggg gghg ghib ghug gibb gibh gicr gigg gigi girg giri girr giru giur grbr grcc grib gric grig grrr grub grug grui grur gubb gubi gubu guch guci gugb gugg gugh gugi gugu guhr guib gurb gurg gurh guri gurr guru h-ii hbic hcbc hccb hccc hcch hcgh hchi hggc hhgg hhhh hi-c hibi hibu hicc hich high higi hihc hihi hiiu hiri hiru hrib hrrc hubb hubi huch hucu hugg hugh hugi huhi huhu huib huir huri hurr huru huub ibrc ibri icbc iccb iccc icci iccr iccu icgc ichc ichi ichr ichu icrc icrr icru icub igbc igcc igri ihcc ihrc ihub ihug iiii iirc iiuc ircc ircg ircu iri- iric irig irrc irri iucc iuiu rbbb rbbr rbgh rcbc rccb rccc rcgc rchb rcic rcrg rgbi rhbg rhcg rhib rhug rib- ribu ricc rich rigg righ rigi rigu riri rrrr rubb rubi rubu ruch ruci rugg rugh rugi ruhh ruhi ruhr rurc ruri ruru ubbi ubic ubii ubir ucbc ucci uchi ucrc ugcc ugcg ughi ugri ugur uguu uhuh uirr urbi urch urci urgh urgi urgu urib uric uriu urrh urri urur uuri uuuu