-hou bbbb bbch bbci bbin bbrc bcbc bccc bcci bcnu bcor bcru bcuc bhcc bhir bhoi bhor bhur bhuu bibb bibi bibo bicc bich bici bico bihi bihu biin bin- binc binh bini binn bino binu bio- bioc bioi bion biou birb biri birn biro birr biru bnib bnin bnoc bnor bnrr bobb bobi bobo bobu boch boco bocu bohn boho bohr bohu boi- boii boin boiu bonc boni bonn bono bonu boob booc booh boon boor bor- borh bori born boro borr boru bouh boun bour brcb bric brih brin brio brno brob broc broh bron broo bror brou brrr bruc bruh brun bubb bubi bubo bubu bucc buch buci buco bucu buhi buho buhr buic buin buir buiu bunb buni bunn buno bunu buon bur- burb burh buri burn buro burr buru c-bo cbbc cbcc cbcn cbcr cbcu cbir cbrh cbrn ccbc ccbn cccb cccc ccci cccu cchr ccic ccii ccir ccnb ccnc ccni ccnr ccnu ccob ccoc ccrc ccri ccuc chch chci chib chic chih chin chir chiu chnb chnc chno chnr choc choh choi chon choo chor chou chrb chrc chrn chro chrr chub chui chun chur cibc cibi cibo cicc cich cici cico cicr cicu cihr ciii cin- cinc cini cino ciob cion cior cirb circ cirh ciri ciro cirr ciuc cnbc cnci cnco cnib cnic cnih cnoh cnrc cnrr cobb cobh cobi cobo cobu coch coco cocu cohn coho coin coir con- conc coni conn cono coob cooh coon cor- corb corc cori corn coro corr coub coun cour crbc crbu crcc crcr crib cric crin criu crob croc croh cron croo cror crub crun cub- cubb cubi cucc cuci cucn cui- cuin cuir cuno cuon curb curi curn curo curr h-ii hbic hbio hboc hcbc hccb hccc hcch hchi hhhh hi-c hibi hibu hicc hich hico hihc hihi hiho hiiu hinc hinn hino hiob hioc hiri hirn hiro hiru hnoi hobo hoch hocn hocr hohn hoho hoir honi hono honu hoon hoor horc hori horn horo horr hour hrib hrob hron hrrc hrun hubb hubi hubo huch hucu huhi huhn huhu huib huir hunc hunh huni huon huor huri hurn huro hurr huru huub i-no ibon ibrc ibri ibro icbc iccb iccc icci iccn icco iccr iccu ichc ichi icho ichr ichu icnb icnc icoc icon icor icrc icrr icru icub ihcc ihob ihrc ihub ihuo iiii iiio iino iioi iioo iirc iiuc inbo incb inch inci inco incr inni inno innr innu ino- inoi inon inor inou inri inro inui inun iobi ioci ioii ioio ioni ionn iono iooi iooo iori ioun ircc ircu iri- iric irin irio irob iroc iroh iron irrc irri irun iucc iuiu iuno n-ii nbbc nbbo nbcc nbci nbco nbic ncbc ncbi nccc ncci nccn nccr nccu nchc ncnc ncoc ncor ncrc ncri nhcc nhnn nhon nhrc nibi nibo nicc nich nici nico nicu niir niiu ninh nini nino nioh nion nioo niou niro niru niur nnnn nobc nobi nobo nobu noch noci noco nohn noho noib noin noio noir non- noni nonn nono nonu noo- noob noon nooo noor nor- norb norc nori norn noro norr nouh noun nour nric nroc nron nrrc nubc nubi nuch nuci nucu nuhi nuin nunc nunn nuno nuoc nuon nurc nuri nurn nurr nuru obbo obin oboi obon obor obrh obri obro obuh ocbc occc occi occn ochi ocin ocon ocro ocrr ocur ohcc ohhi ohho ohio ohno ohob ohoh ohrn oici oiii oion onc- onco onic onir onni onno onon onor onur oobi oocr ooho oooh oooo orbb orbi orbo orbu orch orci orco ori- oric orin orio ornc orni orno oro- oron oror orri orro orub oucc ouch ouii ouin ouir oun- our- ourn ouro ouu- rbbb rbbr rboh rcbc rcbo rccb rccc rchb rcic rcnr rcon rhib rhin rhio rhob rhoc rhoh rhon rhun rib- ribo ribu ricc rich rico riho riin rinn rino rion riou riri rnbr rnco rnin rob- robb robi robo robu rocc roch roco rohn rohr rohu roin roio roir roiu ronc roni rono roob rooi roon roor rorc rori roro roru roub rouh roun rrrr rrun rubb rubi rubu ruch ruci ruhh ruhi ruhn ruhr ruin runc runi runn runo rurc ruri ruro ruru ruun ubbi ubbo ubic ubii ubir uboc ubon ucbc ucci uchi ucho ucin ucio ucon ucrc uhno uhoh uhuh uirr uncc unch unci unco uni- unic unii unin unio unir unni unno unon unro uocc uor- urbi urch urci urho urib uric urin uriu urni uro- uroo urrh urri urun urur uuni uuno uuoc uuri uuuu