bbbb bbch bbci bbeb bcbc bccc bcci bcec bche bcie bcvo bebb bebe bebi bebo bech beci beeb beic beo- bevo bhcc bhie bhoi bibb bibe bibi bibo bicc bice bich bici bico bieb bihe bihi bio- bioc bioi bive bivi bobb bobe bobi bobo boce boch boco boec boee boeo boho boi- boie boii boob booc booe booh bove bovi bovo c-bo cbbc cbcc cbce cbec cbee cbvb cbve ccbc cccb cccc ccci cccv ccee cche ccic ccii cciv ccob ccoc ccvi ccvo cec- cece ceci ceco ceeb ceec cevo chce chch chci cheb chec chee cheh chev chib chic chie chih chiv choc choh choi choo chov chvo cibc cibe cibi cibo cicc cich cici cico ciee ciii ciob civc cive civh civo cobb cobe cobh cobi cobo coce coch coco coho coob cooh cove covo cvcc cvii ebbc ebbo ebcc ebic eboe eboo ecbc ecbe eccb eccc ecce ecci ecco eche echo ecib eco- eeee eeoc ehcc eheh eich eico eiec eiei eiho evie evoe evoo h-ii hbic hbio hboc hcbc hccb hccc hcch hchi hebb hebe hebi hebo hech heeb hehe heho heic heie heih heve hevi hhhh hi-c hi-v hibi hicc hice hich hico hiei hihc hihe hihi hiho hiie hiob hioc hive hobe hobo hoce hoch hoei hohe hoho hoie hooe hove hovi hvcc i-be ibec ibeh ibie icbc iccb iccc icci icco icec icee ichc iche ichi icho icoc iecc ieie ieio ieoh ihcc ihob ihvh iiie iiii iiio iioi iioo iobi ioci ioee ioii ioio iooi iooo ivbv ivec ivic ivie o-eo obbo obec obie oboe oboi obvi ocbc occc occi oce ocee oche ochi oec- oecc oeec ohbe ohcc ohee ohhi ohho ohio ohob ohoh oici oiii oobe oobi ooho oooh oooo ovee ovi- ovie ovo- ovoo vbcc vcbi vcci vche vecc vech veci veho veie veii veoh veve vevi vevo vhhh vibe vic- vice vich vici vico vihi viii vive vivi vivo voce voei voho voic voie voio vooc vvob vvvv