-er bbb bbe bbh bbk bbo bbr be- beb bee beh bek beo ber bez bhb bhe bhh bhk bho bhr bkb bke bkk bko bkr bob boe boh bok boo bor boz brb bre brh brk bro brr brz bze bzh bzo bzr bzz ebb ebe ebh ebk ebo ebr eeb eee eek eeo eer ehb ehe ehh eho ehr ekb eke ekh eko ekr eo- eob eoe eoh eok eoo eor erb ere erh erk ero err erz eze ezh ezo ezr ezz hbb hbe hbh hbk hbo hbr hbz he- heb hee heh hek heo her hez hhb hhe hhh hhk hho hhr hhz hkb hkh hkk hko hkr hob hoe hoh hok hoo hor hr- hrb hre hrh hrk hro hrr hrz hze hzo k-z kbb kbe kbh kbk kbo kbr kbz ke- keb kee keh kek keo ker kez khe khh khk kho khr khz kkb kke kkh kkk kkr kob koe koh kok koo kor koz krk kro krr kzo ob- obb obe obh obk obo obr oeb oee oeh oeo oer ohe ohh oho ohr okb oke okk oko okr oo- oob ooh ook ooo oor or- orb ore orh ork oro orr orz oze ozo ozz rbb rbe rbh rbk rbo rbr re- reb ree reh rek reo rer rez rh- rhb rhe rhh rho rhr rkb rke rkk rko rkz rob roe roh rok roo ror roz rrb rrh rrk rrr rzb rze rzo zbb zbr zeb zee zeh zek zeo zer zez zhe zho zhr zo- zob zoe zok zoo zor zrh zro zzr zzz

bbbb bbeb bebb bebe bebo beeb beek beer behr beke beko beo- beok beor bere berk bero berr beze bher bhor bobb bobe bobo boee boeo boer boho bohr boke boko boob booe booh book boor booz bor- bore borh bork boro borr borz bozo breb bree brek breo brer brez brkb brob broe broh brok broo bror broz brrr bzer bzoe bzrk bzzz ebbo ebbr eber eboe eboo ebor ebro eeee eeke eero eeze eheh eher ehre ekeb ekek eker ekho eore erbb erbe ereb erer erez erke erob eroe eroo erre erro ezek ezer ezzo hebb hebe hebo hebr heeb heek heer hehe heho heke heor herb here herk hero herr herz heze hhhh hobe hobo hoek hoer hohe hoho hoke hoko hooe hook hoor hore hork horo horr hoze hozo hree hrob kbbb kbbe kbbk kbbo kbbr kbbz kbeb kbee kbeh kbek kbeo kber kbez kbhb kbhe kbhh kbhr kbkb kbkk kbko kbkr kbkz kbob kboe kbok kboo kboz kbrb kbre kbrh kbrk kbro kbrz kbze kbzo kbzz kebb kebe kebr keeh keek keer kehk kehr kekb keke keko keok ker- kerb kere kerk kero kerr kerz kezb keze kezr kezz khbr khbz kheb kher khhk khho khhz khke khkk khkr khkz khob khoe khok khor khoz khrk khro khrr khzk khzz kkbb kkbe kkbo kkbr kkbz kkez kkhb kkhh kkhk kkhr kkkk kkob kkoh kkoo kkor kkoz kkrb kkre kkrh kkrk kkro kkrr kkrz kkzz kobb kobe kobk kobo kobr kohh koho kohr kokb koke kokh kokk koko kokr kokz koob kook kooo koor kooz korb kore kork koro korr kozb koze kozk kozo kozr krbb krbe krbk krbr krbz kreb kree kreh krek kreo krez krke krkh krkk krko krkr krkz krob kroe kroh krok kroo kror kroz krrb krre krrk krro krrr krrz krze krzk krzr krzz kzbb kzbe kzbk kzbr kzbz kzee kzer kzhe kzhk kzhr kzke kzkr kzkz kzoo kzor kzoz kzrb kzrk kzro kzrr kzrz kzzb kzzk kzzo kzzr kzzz o-eo obbo ober obkb oboe obok obor obre obrh obro oere ohbe ohee oher ohho ohob ohoh ohok ohre okeh oker okko okok okor okre okro oobe ooer ooho oooh oooo oore ooze orbb orbe orbo ore- oreb oreh orek oreo orer orhe orke orko oro- oroe orok oror oroz orro orzk orzo ozee ozek ozer rbbb rbbr rboh rebb rebe rebk rebo reeb reek rehb rehe reke reko rere rero reze rezh rheb rhee rheo rhob rhoh rob- robb robe robo roer rohe rohr roke rokh rokk roko rokr roob rook roor rooz rore rork roro roze rozz rrrr z-ro zbek zber zebe zeek zeke zeko zekr zerk zero zeze zhee zhob zhor zobo zohr zoke zoo- zook zorb zore zork zoro zozo zrze zzhz zzzz

b-r-k bbbee bbook be-er be-ro bebek beber beebe beeke beez beher beker bekke bekko bekok berbe bereh berek berhe berk- berke berko berob beroe berok beror berre berze berzo bezer bheer bhook bhore bo-bo bo-ho bobek bobko bobok bobr bobre boeke boero bohok bohor bokeh bokeo boker bokko bokok bokor booer booke booko bookz boore booze borbo boree borek borer borko boro- borok boroo borre borro bozer bozok bozoo breek breer breke breo- brere breze brobo broek broer broke brook broze brrrr ebber ebeko ebook eeeee eheke ekeko ekker eorre erbbe erber erere erkko eroor erore error ezbob h-e-b he-he he-ro hebbe hebe- heber heere heeze heker hekk- heore herek herez herke heroe herre herro hezbo hhhhh ho-ho ho-oh hoboe hobor hobro hoeke hohoe hoker hokke hooer hooke hoore hooze horeb horhe horre horro horze hrbek hrere k-rob kebbe kebek keber kebob keeho keere kehek kehoe kerek kerre khebz kheer khezr khoro ko-ko kobee kober koker kokez kokko kokor kokre koozh korbe korbo koreh korek korez korke koror korro korzh kre-o kreek kreke kreo- kroke o-r-b obhor oboro obreb obrez obrok obzor oh-oh oh-ok ohrob okeke okere okhre okker okobo okoho okoro oo-er ooher ooooh ooooo oreo- orere orero orkez orobe orobo oroer oroke ozbek ozero ozker ozoro rebbe reber reere reerh reeze reher rehoe rekke rere- reree rerez rerob rezek rezzo rheo- rhoeo ro-ro robbe robbo rober robo- robor roero rohob rokee roker rokke rokkk rooer rooke rookh roore rorer rorke zboze zebre zeebo zeero zeher zeoke zerbe zerbo zeror zerre zober zohor zokor zorbo zorko zorro zzzzz

b-zero bbbbbb bebook beebee beeker beerze beezer behror bekker bekoor bekoro berbee berbeo berber bereke bereko berere berker berrer berzek