-th b-u bbb bbc bbh bbo bbr bbt bbu bcb bcc bch bco bcr bct bcu bhb bhc bhh bho bhr bht bhu bob boc boh boo bor bot bou brb brh bro brr brt bru btb btc bth bto btr btt btu bub buc buh buo bur but buu c-- cbb cbc cbh cbo cbr cbt cbu ccb ccc cch cco ccr cct ccu ch- chb chc chh cho chr cht chu co- cob coc coh coo cor cot cou crb crc crh cro crr crt cru ctb ctc cth cto ctr ctt ctu cub cuc cuh cuo cur cut cuu hbb hbc hbh hbo hbr hbt hbu hcb hcc hch hco hcr hct hhb hhc hhh hho hhr hht hhu hob hoc hoh hoo hor hot hou hr- hrb hrc hrh hro hrr hrt hru htb htc hth hto htr htt hub huc huh huo hur hut huu ob- obb obc obh obo obr obt obu oc- ocb occ och oco ocr oct ocu ohc ohh oho ohr oht ohu oo- oob ooc ooh ooo oor oot or- orb orc orh oro orr ort oru ot- otb otc oth oto otr ott otu ou- ouc ouh ouo our out rbb rbc rbh rbo rbr rbt rbu rcb rcc rch rco rcr rct rcu rh- rhb rhc rhh rho rhr rht rhu rob roc roh roo ror rot rou rrb rrc rrh rrr rrt rru rtb rtc rto rtr rtt rtu rub ruc ruh ruo rur rut ruu tbb tbc tbh tbo tbr tbt tbu tcb tcc tch tco tcr tct tcu th- thb thc thh tho thr tht thu to- tob toc toh too tor tot tou trb trc trh tro trr trt tru ttb ttc tth tto ttr ttt ttu tub tuc tuh tuo tur tut tuu ubb ubc ubh ubo ubr ubt ubu ucb ucc uch uco ucr uct ucu uhb uhc uhh uho uhr uht uhu uob uoc uoo uor uot ur- urb urc uro urr urt uru utb utc uth uto utr utt utu uuc uur uut uuu

-hou bbbb bbch bbrc bcbc bccc bcor bcru bctc bcuc bhcc bhor bhot bhrt bhur bhut bhuu bobb bobo bobu boch boco bocu boho bohr boht bohu boob booc booh boor boot bor- borh boro borr bort boru botb both boto bott bouh bour bout brcb brob broc broh broo bror brot brou brrr brtc bruc bruh brut btcc btob btor btrc btrt bttb bubb bubo bubu bucc buch buco bucu buho buhr bur- burb burh buro burr burt buru but- buto butt c-bo cbbc cbcc cbcr cbct cbcu cbot cbrh cbrt cbtc ccbc cccb cccc cccu cchr ccob ccoc ccrc ccrt cctb cctc cctt ccuc ccut chch choc choh choo chor chou chrb chrc chro chrr chrt chto chtr chtt chub chur chut cobb cobh cobo cobu coch coco coct cocu coho coob cooh coot cor- corb corc coro corr cort cotb cotc coth coto cott cotu coub cour cout crbc crbu crcc crcr crob croc croh croo cror crot crrt crtc crub crut ctor ctot ctrc cub- cubb cucc curb curo curr curt cut- cutc cuth cuto cutt hboc hbtu hcbc hccb hccc hcch hhhh hobo hoch hocr hoho hoor hoot horc horo horr hort hotb hoth hoto hotr hott hotu hour hout hrob hrrc hrtb htcc htoh httr hubb hubo huch hucu huhu huor huot huro hurr hurt huru huth huto hutt hutu huub obbo obor obot obrh obro obuh ocbc occc occt ocht ocro ocrr oct- octo ocur ohcc ohho ohob ohoh ohto ohtu oocr ooho oooh oooo oort ootb orbb orbo orbu orch orco oro- oror orot orro ortc orth orto orub otho othr oto- otoh otoo otor otro otto ottu otur oucc ouch our- ouro ourt out- outb outh outo ouu- rbbb rbbr rboh rcbc rcbo rccb rccc rchb rctc rhob rhoc rhoh rob- robb robo robt robu rocc roch roco rohr rohu roob roor root rorc roro rort roru rotc roth roto rotr rott roub rouh rout rrrr rtcc rubb rubu ruch ruct ruhh ruhr rurc ruro ruru ruth ruto rutt rutu tbcb tbcc tbrb tccc tccu tch- tchh tcho tchr tchu tctc thch thoo thor thot thou thro thru thtb thtr thur tobo tobt tobu toch toco toho tohu tooh toor toot torc toro torr tort toru totc toth toto totr tott touh tour tout trcc troc troo trot trou trtc trtr trub truc trut truu ttbb tttt tubb tubo tubr tubu tucc tuch tuco tuht tuhu tuor turb turc turo turr turt turu tuto tutt tutu tuuo ubbo uboc ucbc ucho ucrc ucut uhoh uhuh uocc uor- urch urho uro- uroo urrh urth urur urut utor utto uttu uuoc uuuu

bhoot bhour bo-bo bo-ho boboc bobr bocho bocht bocor bohor bohot booch booco boort booru booth borbo borch boro- boroo borot borou borro borth borut botch botou botro bottu bouch bouth bouto brobo broch broth broto brout brrrr bruch btr-t bucco bucho bucht buchu bucur buoch buoho burch burcu buroo burro burru burtt buruc burut butch buto- butoh butor butot butou butuo butut c-cor ccccc choco choor chor- choro chort chott chout chubb chur- churr churt churu co-bo co-co cobot cocc- cocco cocto cocur cohob cohoo cooch cooth corbo corbu coro- corot corto cotch cott- cotto cottu couch couco courb court couru couth couto coutu croco croot croth crott crout cruor cruth cubo- cubot cubub cuoco curch curro curto cutch cutco cutcu cutro cutto h-cho hcooh hhhhh hhour ho-ho ho-oh hobor hobro hobub hocco hohot hooch hoort horch horro horru horth horto hotch hothr hotot hotto houch hourc houtu hroch hthrt hubur hucch hucho huhuh hurtt hurtu hutch hutor hutto huttu huuru o-r-b obhor oboro oboth obout occur ochro ocr-b octo- octor oh-oh ohbot ohchr ohour ohrob ohrot ooooh ooooo orbot orobo oroch oroco orout orth- ortho ortoo oruch oruro orutu otcbb othou othur ototo otour ottur oubut oucho oucht ouoro outch outro outto r-co- ro-ro robbo robo- robor robot robrt robur rocco rocht rocor rocou rohob