b-u bbb bbc bbh bbn bbo bbr bbs bbu bcb bcc bch bcn bco bcr bcs bcu bhb bhc bhh bho bhr bhs bhu bnb bnc bnn bno bnr bns bnu bob boc boh bon boo bor bos bou brb brh brn bro brr brs bru bsb bsc bsh bsn bso bsr bss bsu bub buc buh bun buo bur bus buu c-- cbb cbc cbh cbn cbo cbr cbs cbu ccb ccc cch ccn cco ccr ccs ccu ch- chb chc chh chn cho chr chs chu cn- cnb cnc cnh cnn cno cnr cns cnu co- cob coc coh con coo cor cos cou crb crc crh crn cro crr crs cru csb csc csh csn cso csr css csu cub cuc cuh cun cuo cur cus cuu hbb hbc hbh hbn hbo hbr hbs hbu hcb hcc hch hcn hco hcr hcs hhb hhc hhh hhn hho hhr hhs hhu hnb hnc hnh hnn hno hns hnu hob hoc hoh hon hoo hor hos hou hr- hrb hrc hrh hrn hro hrr hrs hru hsb hsc hsh hsn hsr hss hsu hub huc huh hun huo hur hus huu nbb nbc nbn nbo nbr nbs nbu ncb ncc nch ncn nco ncr ncs ncu nhb nhc nhh nhn nhr nhs nhu nnb nnc nnh nnn nno nns nnu no- nob noc noh non noo nor nos nou nrb nrc nrn nro nrr nrs nru nsb nsc nsh nsn nso nsr nss nsu nub nuc nuh nun nuo nur nus nuu ob- obb obc obh obn obo obr obs obu oc- ocb occ och ocn oco ocr ocs ocu ohc ohh ohn oho ohr ohs ohu on- onb onc onh onn ono onr ons onu oo- oob ooc ooh oon ooo oor oos or- orb orc orh orn oro orr ors oru os- osb osc osh osn oso osr oss osu ou- ouc ouh oun ouo our ous rbb rbc rbh rbn rbo rbr rbs rbu rcb rcc rch rcn rco rcr rcs rcu rh- rhb rhc rhh rhn rho rhr rhs rhu rnb rnc rnh rnn rno rnr rns rnu rob roc roh ron roo ror ros rou rrb rrc rrh rrn rrr rrs rru rsb rsc rsh rsn rso rsr rss rsu rub ruc ruh run ruo rur rus ruu sbb sbc sbh sbn sbo sbr sbs sbu scb scc sch scn sco scr scs scu sh- shb shc shh shn sho shr shs shu snb snc snn sno snr sns snu sob soc soh son soo sor sos sou sr- srb src srh srn sro srr srs ss- ssb ssc ssh ssn sso ssr sss ssu sub suc suh sun suo sur sus suu ubb ubc ubh ubn ubo ubr ubs ubu ucb ucc uch ucn uco ucr ucs ucu uhb uhc uhh uho uhr uhs uhu un- unb unc unh unn uno unr uns unu uob uoc uon uoo uor uos ur- urb urc urn uro urr urs uru usb usc ush usn uso usr uss usu uuc uun uur uus uuu

-hou -ous bbbb bbbs bbch bbhs bbrc bcbc bcbs bccc bccs bchs bcnu bcor bcos bcrs bcru bcsc bcsn bcss bcuc bhcc bhhs bhor bhur bhuu bnhs bnoc bnor bnrr bnss bobb bobo bobs bobu boch boco bocs bocu bohn boho bohr bohs bohu bonc bonn bono bons bonu boob booc booh boon boor boos bor- borh born boro borr bors boru bosc bosh bosn boso boss bosu bouh boun bour bous brcb brhs brno brns brob broc broh bron broo bror bros brou brrr brrs brsb brsr bruc bruh brun brus bscs bshs bsns bson bsos bssc bubb bubo bubs bubu bucc buch buco bucs bucu buho buhr buhs bunb bunn buno buns bunu buon bur- burb burh burn buro burr burs buru busc bush buss busu buus c-bo cbbc cbbs cbcc cbcn cbcr cbcs cbcu cbhs cbrh cbrn cbsc cbsn cbus ccbc ccbn cccb cccc cccs cccu cchr cchs ccnb ccnc ccnr ccns ccnu ccob ccoc ccrc ccrs ccsn ccss ccuc ccus chch chcs chhs chnb chnc chno chnr chns choc choh chon choo chor chos chou chrb chrc chrn chro chrr chrs chsc chsh chsr chub chun chur chus cnbc cnco cnhs cnoh cnrc cnrr cnss cobb cobh cobo cobs cobu coch coco cocu cohn coho cohs con- conc conn cono cons coob cooh coon coos cor- corb corc corn coro corr cors cosc cosh coso coss coub coun cour cous crbc crbu crcc crcr crhs crns crob croc croh cron croo cror crss crub crun crus cscb cscc csch csco cscr cscs cshs csob csor csos csrc csrs cssr csur csus cub- cubb cubs cucc cucn cuno cuon curb curn curo curr curs cusb cush cuso cuss cusu hbbs hbhs hboc hbos hbrs hbss hcbc hcbs hccb hccc hcch hccs hchs hcsc hcso hcss hhhh hhhs hhus hncs hnhs hobo hobs hoch hocn hocr hocs hohn hoho hono hons honu hoon hoor hoos horc horn horo horr hors hosh hoss hour hrhs hrob hron hros hrrc hrso hrun hsbc hscc hscn hshs hsob hson hsur hubb hubo hubs huch hucs hucu huhn huhs huhu hunc hunh huns huon huor huos hurn huro hurr hurs huru hush huso huss huub huus nbbc nbbo nbcc nbco nbcs nbhs ncbc ncbs nccc nccn nccr nccs nccu nchc nchs ncnc ncoc ncor ncos ncrc ncsc ncss nhcc nhhs nhnn nhon nhrc nhsc nnhs nnnn nnos nnss nobc nobo nobs nobu noch noco nocs nohn noho nohs non- nonn nono nons nonu noo- noob noon nooo noor noos nor- norb norc norn noro norr nors nos- nosh noss nosu nouh noun nour nous nrcs nrhs nroc nron nrrc nrsc nsbo nscc nscs nshs nsnr nsos nsou nsrc nssb nssc nsso nssr nsss nsub nubc nubs nuch nucs nucu nunc nunn nuno nuns nuoc nuon nurc nurn nurr nurs nuru nush nuss nusu obbo obhs obon obor obos obrh obro obsn obsr obss obuh obus ocbc occc occn ochs ocon ocos ocro ocrr ocrs