b-u bbb bbc bbd bbh bbn bbo bbr bbs bbu bcb bcc bcd bch bcn bco bcr bcs bcu bdb bdc bdd bdh bdo bdr bds bdu bhb bhc bhd bhh bho bhr bhs bhu bnb bnc bnd bnn bno bnr bns bnu bob boc bod boh bon boo bor bos bou brb brd brh brn bro brr brs bru bsb bsc bsd bsh bsn bso bsr bss bsu bub buc bud buh bun buo bur bus buu c-- cbb cbc cbd cbh cbn cbo cbr cbs cbu ccb ccc ccd cch ccn cco ccr ccs ccu cdb cdc cdd cdh cdn cdo cdr cds cdu ch- chb chc chd chh chn cho chr chs chu cn- cnb cnc cnd cnh cnn cno cnr cns cnu co- cob coc cod coh con coo cor cos cou crb crc crd crh crn cro crr crs cru csb csc csd csh csn cso csr css csu cub cuc cud cuh cun cuo cur cus cuu dbb dbc dbd dbh dbn dbo dbr dbs dbu dcb dcc dcd dcn dco dcr dcs dcu ddb ddc ddd ddh ddn ddo ddr dds ddu dh- dhb dhc dhd dhh dho dhr dhs dhu dnb dnc dnd dnh dnn dno dnr dns dob doc dod doh don doo dor dos dou drb drc drd drn dro drr drs dru dsb dsc dsd dsh dsn dso dsr dss dsu dub duc dud duh dun duo dur dus hbb hbc hbd hbh hbn hbo hbr hbs hbu hcb hcc hcd hch hcn hco hcr hcs hdb hdc hdd hdh hdn hdo hdr hds hdu hhb hhc hhd hhh hhn hho hhr hhs hhu hnb hnc hnd hnh hnn hno hns hnu hob hoc hod hoh hon hoo hor hos hou hr- hrb hrc hrd hrh hrn hro hrr hrs hru hsb hsc hsd hsh hsn hsr hss hsu hub huc hud huh hun huo hur hus huu nbb nbc nbd nbn nbo nbr nbs nbu ncb ncc ncd nch ncn nco ncr ncs ncu ndb ndc ndd ndh ndn ndo ndr nds ndu nhb nhc nhd nhh nhn nhr nhs nhu nnb nnc nnh nnn nno nns nnu no- nob noc nod noh non noo nor nos nou nrb nrc nrd nrn nro nrr nrs nru nsb nsc nsd nsh nsn nso nsr nss nsu nub nuc nud nuh nun nuo nur nus nuu ob- obb obc obd obh obn obo obr obs obu oc- ocb occ ocd och ocn oco ocr ocs ocu odb odc odd odh odn odo odr ods odu ohc ohd ohh ohn oho ohr ohs ohu on- onb onc ond onh onn ono onr ons onu oo- oob ooc ood ooh oon ooo oor oos or- orb orc ord orh orn oro orr ors oru os- osb osc osd osh osn oso osr oss osu ou- ouc oud ouh oun ouo our ous rbb rbc rbd rbh rbn rbo rbr rbs rbu rcb rcc rcd rch rcn rco rcr rcs rcu rdb rdc rdd rdh rdn rdo rdr rds rdu rh- rhb rhc rhd rhh rhn rho rhr rhs rhu rnb rnc rnd rnh rnn rno rnr rns rnu rob roc rod roh ron roo ror ros rou rrb rrc rrd rrh rrn rrr rrs rru rsb rsc rsd rsh rsn rso rsr rss rsu rub ruc rud ruh run ruo rur rus ruu sbb sbc sbd sbh sbn sbo sbr sbs sbu scb scc scd sch scn sco scr scs scu sdb sdc sdd sdh sdn sdo sdr sds sdu sh- shb shc shd shh shn sho shr shs shu snb snc snd snn sno snr sns snu sob soc sod soh son soo sor sos sou sr- srb src srd srh srn sro srr srs ss- ssb ssc ssd ssh ssn sso ssr sss ssu sub suc sud suh sun suo sur sus suu ubb ubc ubh ubn ubo ubr ubs ubu ucb ucc ucd uch ucn uco ucr ucs ucu udb udc udd udn udo udr uds udu uhb uhc uhd uhh uho uhr uhs uhu un- unb unc und unh unn uno unr uns unu uob uoc uod uon uoo uor uos ur- urb urc urd urn uro urr urs uru usb usc usd ush usn uso usr uss usu uuc uun uur uus uuu

-hou -ous bbbb bbbs bbch bbdd bbdo bbhs bbrc bcbc bcbs bccc bccs bcds bchd bchs bcnu bcor bcos bcrs bcru bcsc bcsn bcss bcuc bd-r bdbc bddc bddh bdhs bdos bdsd bhcc bhhs bhor bhur bhuu bnhs bnoc bnor bnrr bnss bobb bobo bobs bobu boch boco bocs bocu bodb bodh bodo bods bodu bohd bohn boho bohr bohs bohu bonc bond bonn bono bons bonu boob booc bood booh boon boor boos bor- bord borh born boro borr bors boru bosc bosh bosn boso boss bosu boud bouh boun bour bous brcb brdo brds brhs brno brns brob broc brod broh bron broo bror bros brou brrr brrs brsb brsr bruc brud bruh brun brus bsbd bscs bshs bsnd bsns bsod bson bsos bsrd bssc bssd bubb bubo bubs bubu bucc buch buco bucs bucu budb budd budo buds budu buho buhr buhs bunb bund bunn buno buns bunu buon bur- burb burd burh burn buro burr burs buru busc bush buss busu buus c-bo c-cd cbbc cbbs cbcc cbcn cbcr cbcs cbcu cbdb cbdc cbdn cbdo cbds cbhs cbnd cbrd cbrh cbrn cbsc cbsn cbus ccbc ccbn cccb cccc cccs cccu ccdc ccdh ccdn ccdr ccds cchr cchs ccnb ccnc ccnr ccns ccnu ccob ccoc ccod ccrc ccrs ccsd ccsn ccss ccuc ccus cd-r cdcs cddb cddr cdhs cdnb cdnc cdon cdos cdrs cdss chch chcs chhs chnb chnc chno chnr chns choc chod choh chon choo chor chos chou chrb chrc chrd chrn chro chrr chrs chsc chsh chsr chub chud chun chur chus cnbc cnco cndd cnhs cnoh cnrc cnrr cnss cobb cobh cobo cobs cobu coch coco cocu codd cods cohn coho cohs con- conc cond conn cono