-th b-u bbb bbc bbh bbo bbr bbs bbt bbu bcb bcc bch bco bcr bcs bct bcu bcz bhb bhc bhh bho bhr bhs bht bhu bob boc boh boo bor bos bot bou boz brb brh bro brr brs brt bru brz bsb bsc bsh bso bsr bss bst bsu btb btc bth bto btr bts btt btu btz bub buc buh buo bur bus but buu buz bzh bzo bzr bzs bzu bzz c-- cbb cbc cbh cbo cbr cbs cbt cbu cbz ccb ccc cch cco ccr ccs cct ccu ccz ch- chb chc chh cho chr chs cht chu chz co- cob coc coh coo cor cos cot cou coz crb crc crh cro crr crs crt cru crz csb csc csh cso csr css cst csu csz ctb ctc cth cto ctr cts ctt ctu ctz cub cuc cuh cuo cur cus cut cuu cuz cz- czc czo czt hbb hbc hbh hbo hbr hbs hbt hbu hbz hcb hcc hch hco hcr hcs hct hhb hhc hhh hho hhr hhs hht hhu hhz hob hoc hoh hoo hor hos hot hou hr- hrb hrc hrh hro hrr hrs hrt hru hrz hsb hsc hsh hsr hss hst hsu hsz htb htc hth hto htr hts htt htz hub huc huh huo hur hus hut huu huz hzo hzs hzt ob- obb obc obh obo obr obs obt obu oc- ocb occ och oco ocr ocs oct ocu ocz ohc ohh oho ohr ohs oht ohu oo- oob ooc ooh ooo oor oos oot or- orb orc orh oro orr ors ort oru orz os- osb osc osh oso osr oss ost osu ot- otb otc oth oto otr ots ott otu otz ou- ouc ouh ouo our ous out ozo ozs ozt ozu ozz rbb rbc rbh rbo rbr rbs rbt rbu rcb rcc rch rco rcr rcs rct rcu rh- rhb rhc rhh rho rhr rhs rht rhu rob roc roh roo ror ros rot rou roz rrb rrc rrh rrr rrs rrt rru rsb rsc rsh rso rsr rss rst rsu rtb rtc rto rtr rts rtt rtu rtz rub ruc ruh ruo rur rus rut ruu ruz rzb rzo sbb sbc sbh sbo sbr sbs sbt sbu scb scc sch sco scr scs sct scu sh- shb shc shh sho shr shs sht shu sob soc soh soo sor sos sot sou soz sr- srb src srh sro srr srs srt ss- ssb ssc ssh sso ssr sss sst ssu ssz stb stc sth sto str sts stt stu stz sub suc suh suo sur sus sut suu suz szr szu tbb tbc tbh tbo tbr tbs tbt tbu tbz tcb tcc tch tco tcr tcs tct tcu th- thb thc thh tho thr ths tht thu thz to- tob toc toh too tor tos tot tou toz trb trc trh tro trr trs trt tru trz tsb tsc tsh tso tsr tss tst tsu ttb ttc tth tto ttr tts ttt ttu tub tuc tuh tuo tur tus tut tuu tuz tzs tzu ubb ubc ubh ubo ubr ubs ubt ubu ucb ucc uch uco ucr ucs uct ucu uhb uhc uhh uho uhr uhs uht uhu uob uoc uoo uor uos uot ur- urb urc uro urr urs urt uru urz usb usc ush uso usr uss ust usu usz utb utc uth uto utr uts utt utu utz uuc uur uus uut uuu uzb uzh uzo uzu zbb zbc zbr zbs zbt zco zcs zhc zho zhr zhs zhu zo- zob zoc zoo zor zos zot zou zrh zro zrs zsh zst zsu zsz ztr zub zuc zur zus zut zuz zzr zzs zzt zzz

-hou -ous bbbb bbbs bbch bbhs bbrc bcbc bcbs bccc bccs bchs bcor bcos bcoz bcrs bcru bcsc bcss bctc bcts bcuc bhcc bhhs bhor bhot bhrt bhur bhut bhuu bobb bobo bobs bobu boch boco bocs bocu boho bohr bohs boht bohu boob booc booh boor boos boot booz bor- borh boro borr bors bort boru borz bosc bosh boso boss bost bosu botb both boto bots bott bouh bour bous bout bozo brcb brhs brob broc broh broo bror bros brot brou broz brrr brrs brsb brsr brst brtc bruc bruh brus brut bruz bscs bshs bsos bssc bsts btcc btcs bths btob btor btrc btrt btss bttb btus bubb bubo bubs bubu bucc buch buco bucs bucu bucz buho buhr buhs bur- burb burh buro burr burs burt buru burz busc bush buss bust busu but- buto buts butt butz buus buuz buzz bzou bzzt bzzz c-bo cbbc cbbs cbcc cbcr cbcs cbct cbcu cbhs cbot cbrh cbrt cbsc cbtc cbus ccbc cccb cccc cccs cccu cchr cchs ccob ccoc ccrc ccrs ccrt ccss ccst cctb cctc cctt ccuc ccus ccut chch chcs chhs choc choh choo chor chos chou chrb chrc chro chrr chrs chrt chsc chsh chsr chst chto chtr chtt chub chur chus chut cobb cobh cobo cobs cobu coch coco coct cocu coho cohs coob cooh coos coot cor- corb corc coro corr cors cort cosc cosh coso coss cost cotb cotc coth coto cots cott cotu coub cour cous cout cozz crbc crbu crcc crcr crcz crhs crob croc croh croo cror crot croz crrt crss crst crtc crts crub crus crut cruz cscb cscc csch csco cscr cscs cshs csob csor csos csot csrc csrs cssr cstc csto cstr csts csur csus ctbs cths ctor ctos ctot ctrc ctrs ctsc ctss ctsu ctts cub- cubb cubs cucc curb curo curr curs curt cusb cush cuso cuss cust cusu cut- cutc cuth cuto cuts cutt cuzo czts hbbs hbhs hboc hbos hbrs hbss hbtu hcbc hcbs hccb hccc hcch hccs hchs hcsc hcso hcss hcst hhhh hhhs hhus hobo hobs hoch hocr hocs hoho hoor hoos hoot horc horo horr hors hort hosh hoss host hotb hoth hoto hotr hots hott hotu hotz hour hout hozo hrhs hrob hros hrrc hrso hrtb hsbc hscc