-ose bbbb bbbs bbch bbeb bbhs bbrc bcbc bcbs bccc bccs bcec bcer bces bche bchs bcor bcos bcrs bcsc bcss bebb bebe bebo bech beck becs beeb beek beer bees behr behs beke beko beks beo- beok beor beos berc bere berk bero berr bers bes- bese besh besk beso bess bhcc bher bhhs bhor bkhs bobb bobe bobo bobs boce boch bock boco bocs boec boee boeo boer boes boho bohr bohs boke boko boks boob booc booe booh book boor boos bor- bore borh bork boro borr bors bosc bose bosh bosk boso boss brcb brce breb brec bree brek breo brer bres brhs brkb brob broc broe broh brok broo bror bros brrr brrs brsb brsr bscs bseb bsec bsee bser bses bshs bsos bssc bsse c-bo cbbc cbbs cbcc cbce cbcr cbcs cbec cbee cber cbhs cbko cbkr cbre cbrh cbsc cbse ccbc cccb cccc cccs ccee cche cchr cchs ccob ccoc ccrc ccre ccrs ccss cebs cec- cece ceco cecs ceeb ceec cees cehs ceke ceor ceos cer- cerc cere cero cers cesc cese cesr cess chce chch chcs cheb chec chee cheh chek cher ches chhs chkb chks choc choh chok choo chor chos chrb chrc chro chrr chrs chsc chse chsh chsr ckbc ckbe ckch ckck ckco ckcs cker ckhs ckob ckoc ckoo ckor ckos ckrc cksb cksh ckso cobb cobe cobh cobo cobs coce coch cock coco coes coho cohs cok- coke coko coob cooh cook coos cor- corb corc core cork coro corr cors cosc cose cosh coso coss crbc crcc crce crcr cre- creb crec cree creh creo cres crhs crkc crob croc croe croh crok croo cror crss cscb cscc csce csch csco cscr cscs csec csee cseh cser cshs csks csob csor csos csrc csrs csse cssr ebbc ebbo ebbr ebbs ebcc eber ebes ebhs eboe eboo ebor ebos ebro ecbc ecbe eccb eccc ecce ecco eces eche echo echs ecko ecks eco- ecos ecrc ecrr ecsc ecse ecss eecs eeee eees eehs eeke eeks eeoc eerc eero eers eese eesk ehcc eheh eher ehhs ehre ekch ekco ekeb ekek eker ekes ekho ekhs ekos eoes eore erbb erbe ercc erce erch ereb erec erer eres erhc erhs erke erks erob eroc eroe eroo eros errc erre erro errs erse ersh erso esbo esbs escb esce esch esco escr escs esee esek eseo eser eses eshs eske esko esks eso- esok esos esse essh esso hbbs hbes hbhs hboc hbos hbrs hbss hcbc hcbs hccb hccc hcch hccs hchs hcsc hcso hcss hebb hebe hebo hebr hech heck hecs heeb heek heer hees hehe heho hehs heke heor herb herc here herk hero herr hers hesc hesh hess hhhh hhhs hkcc hkcs hkse hobe hobo hobs hoce hoch hock hocr hocs hoek hoer hoes hohe hoho hoke hoko hoks hooe hook hoor hoos horc hore hork horo horr hors hose hosh hoss hree hrhs hrob hros hrrc hrso hsbc hscc hses hshs hsob hsse k-os kbbb kbbc kbbe kbbk kbbo kbbr kbbs kbcb kbce kbch kbck kbco kbcr kbcs kbeb kbec kbee kbeh kbek kbeo kber kbes kbhb kbhc kbhe kbhh kbhr kbhs kbkb kbkk kbko kbkr kbob kboc kboe kbok kboo kbos kbrb kbrc kbre kbrh kbrk kbro kbsb kbsk kbso kbsr kbss kcbc kcbk kcbr kcbs kccb kccc kcck kccr kceb kcec kcee kceo kche kchh kchk kcho kchr kchs kckc kckk kcko kckr kcob kcoe kcoh kcor kcos kcrc kcrh kcro kcrr kcrs kcsb kcsc kcse kcsr kcss kebb kebc kebe kebr kech keck keco kecr keeh keek keer kees kehk kehr kehs kekb kekc keke keko keks keok keos ker- kerb kerc kere kerk kero kerr kers kesb kesc kesh kesk keso kesr kess khbc khbr khbs khcb khcc khch khck khcs kheb khec kher khhk khho khhs khke khkk khkr khks khob khoc khoe khok khor khrk khro khrr khse khss kkbb kkbe kkbo kkbr kkbs kkcb kkch kkck kkco kkcr kkcs kkhb kkhh kkhk kkhr kkkk kkob kkoh kkoo kkor kkrb kkrc kkre kkrh kkrk kkro kkrr kkrs kkse kksr kkss kobb kobc kobe kobk kobo kobr kobs kocb koch kock kocs koes kohh koho kohr kohs kokb kokc koke kokh kokk koko kokr koks koob kooc kook kooo koor koos korb korc kore kork koro korr kors kos- kosb kosc kose kosh koso kosr koss krbb krbe krbk krbr krcb krcc krce krch krco krcs kreb krec kree kreh krek kreo kres krhc krhs krkc krke krkh krkk krko krkr krks krob kroc kroe kroh krok kroo kror kros krrb krrc krre krrk krro krrr krrs krsc krse krsh krsk krsr krss ksbc ksbh ksbr ksbs kscb ksce ksch ksck ksco kscr kscs ksec ksee kseh ksek kseo kser kshb kshe kshk ksho kshr kshs kskb kske kskk ksko kskr ksks ksob ksoc ksok ksoo ksor ksos ksrb ksrh ksro ksrr ksrs ksse ksso kssr ksss o-eo obbo obec ober obes obhs obkb oboe obok obor obos obre obrh obro obsr obss ocbc occc oce ocee oche ochs ocke ocks ocos ocre ocro ocrr ocrs oec- oecc oeec oere oers oese ohbe ohcc ohee oher ohho ohhs ohob ohoh ohok ohos ohre ohso ohss okeh oker okes okko okok okor okre okro okso oobe oocr ooer ooes ooho oohs oooh oooo ooos oore oose orbb orbe orbo orbs orce orch orco orcs ore- oreb orec oreh orek oreo orer ores orhe orhs orke orko oro- oroe orok oror oros orro orrs orse orsk orso osbe oscc osce osco osec osee oseh osek oser oses oshc oshe osho oshs osoo osor osos osro ossb osse osso rbbb rbbr rbbs rbhs rboh rbss rcbc rcbo rccb rccc rccs rchb rchs rcos rcsc rcss rebb rebe rebk rebo rebs recc rece rech reck recr recs reeb reek rees rehb rehe rehs reke reko reks reos rere rero rers rese resh reso ress rhce rheb rhee rheo rhes rhhs rhob rhoc rhoh rhos rkos rkss rob- robb robe robo robs rocc roce roch rock