bbbb bbch bbci bbeb bcbc bccc bcci bcec bche bcie bcuc bebb bebe bebi bech beci becu beeb beic bhcc bhie bhuu bibb bibe bibi bicc bice bich bici bieb bieu bihe bihi bihu bubb bube bubi bubu bucc buce buch buci bucu bueu buhe buhi buic buie buiu cbbc cbcc cbce cbcu cbec cbee ccbc cccb cccc ccci cccu ccee cche ccic ccii ccuc cebu cec- cece ceci ceeb ceec ceui chce chch chci cheb chec chee cheh cheu chib chic chie chih chiu chub chui cibc cibe cibi cicc cich cici cicu ciee ciii ciuc cub- cubb cube cubi cucc cuce cuci cui- ebbc ebcc ebic ecbc ecbe eccb eccc ecce ecci eche ecib eeee ehcc eheh eheu eich eiec eiei eubc eubi euch h-ii hbic hcbc hccb hccc hcch hchi hebb hebe hebi hech heeb hehe heic heie heih heue heui hhhh hi-c hibi hibu hicc hice hich hiei hieu hihc hihe hihi hiie hiiu hubb hube hubi huch hucu huhi huhu huib huie huub i-be ibec ibeh ibie icbc iccb iccc icci iccu icec icee ichc iche ichi ichu icub icue iecc ieie ihcc ihub iiie iiii iiuc iucc iuce iuiu u-ie ubbe ubbi ubic ubii ucbc ucci uche uchi uhuh uuuu