bbbb bbch bbci bbeb bbfc bblb bcbc bccc bcci bccl bcec bcfc bche bcie bcof bebb bebe bebi bebo bech beci beeb beef beel befe beff befo beic beil bele beli bell belo beo- beof bffl bhcc bhel bhff bhie bhil bhoi bibb bibe bibi bibl bibo bicc bice bich bici bico bieb bief biel biff bifi bihe bihi bihl bile bili bill bilo bio- bioc bioi biol bleb blee bleh blei bleo blfc blic blio blob bloc bloo bobb bobe bobi bobo boce boch boco boec boee boef boel boeo bofe boff bofh bohl boho boi- boie boii boil bole boli boll bolo boob booc booe boof booh bool c-bo cbbc cbcc cbce cbcl cbec cbee cbef cbfb cbfc cbhl cblb cblc cbol ccbc cccb cccc cccf ccci cccl ccee ccel ccfc ccff ccfi ccfl cche cchl ccic ccii ccil cclc ccli ccob ccoc cec- cece ceci ceco ceeb ceec ceel cef- cefc cehl ceil cel- celc cele celf celi cell celo ceol cfbc cfcb cfcf cfcl cfco cffb chce chch chci cheb chec chee chef cheh chel chfc chfi chib chic chie chif chih chil chlc choc choh choi chol choo cibc cibe cibi cibo cicc cich cici cico ciee ciel cife ciff cifl ciii cili cill cilo ciob clec clee clef clei cleo clib clic clif clii clio clob cloe clof cloo cobb cobe cobh cobi cobo coce coch coco coel cofc cofe coff cofi coho coif coil col- colb cole coli coll colo coob coof cooh cool e-cl ebbc ebbo ebcc ebel ebfc ebic ebli eboe ebol eboo ecbc ecbe eccb eccc ecce ecci eccl ecco ecef ecfc eche echl echo ecib ecil eco- ecol eeee eefe eefl eele eeoc efco efeo effi efic efil ehcc eheh ehel ehle ehlo eich eico eiec eiei eiho eile el-b elbe elbi elbo elcb elce elch elco elec elee elef eleh eleo elfc elfe elfi elhi elic elie elif elil elio elle elli ello eloi eole eoli eolo fble fccf fcch fcic fcii febo fece fech feeb feel fefc fefe feff fefi fefo fehl feie feil feio fele felf feli fell felo feof feoh ffcc ffee ffff ffii fhci fhlb fibe ficc fice fich fico fiec fief fiel fifc fife fiff fifi fifo fiii fiil file fili fill filo fioe flcl flee flic flii flob floc floe floo foce foch foci foco fofo foie foil folc fole foli foll folo foof fool h-ii hbfc hbic hbio hboc hcbc hccb hccc hcch hcfc hchi hebb hebe hebi hebo hech heeb heef heel hefe hehe heho heic heie heif heih heil hele helf heli hell helo hfce hhcl hhhh hhof hi-c hibi hicc hice hich hico hiei hiff hifh hifi hifo hihc hihe hihi hiho hiie hiil hile hili hill hilo hiob hioc hobe hobo hoce hoch hoei hoel hofe hoff hohe hohl hoho hoie hoif hoil hol- holb holc hole holh holi holl holo hooe hoof hool i-be ibec ibeh ibfi ibie ible icbc iccb iccc iccf icci iccl icco icec icee icef icel icfb ichc iche ichi icho icle icll icoc iecc ieie ieio iele ieoh ifbb ifco ifel ifhe ific ifil ihcc ihob iihl iiie iiii iiio iioi iioo ilbc ilce ile- ilec ileo ilic ilie ilio ill- ille illi illo iloc iloo iobi ioci ioee ioel iofc ioii ioio iole iolo ioof iooi iooo lbcc lcbc lccc lcce lcfc lchc lebo lece lech leco leef leel lefe leff lehe lehi leib leic leie leif leil leio lele leli lell lelo leoc leof leoi lfcc lfhe lhec lhee lhhh libc libe libo lice lich lico lieb lief liel life liff lifl lifo lih- lihe lihi liho liii lilb lile lili lill lilo lio- llcc llef lllc llll lloc lloo lob- lobb lobe lobh lobi lobo locc loce loch loci loco loeb loei lofe loff lofi lohe lohi loho loic loif lole loli loll lolo loob looc looe loof lool o-eo obbo obec obel obie oble oboe oboi obol ocbc occc occi oce ocee ocef oche ochi oclc oec- oecc oeec oeil oele ofcl off- offc offe offh offo ohbe ohcc ohee ohel ohhi ohho ohif ohio ohob ohoh oici oiii olbo olcc ole- olef oleh olei oleo olfe olib olic olie olio olle olli ollo olof oobe oobi ooff ooho oolo oooh oooo