-er bbb bbe bbf bbi bbo bbr bbs bbx be- beb bee bef bei beo ber bes bex bfb bfe bff bfi bfo bfr bfs bfx bi- bib bie bif bii bio bir bis bix bob boe bof boi boo bor bos box brb bre brf bri bro brr brs brx bsb bse bsf bsi bso bsr bss bsx bxb bxi bxo bxx ebb ebe ebf ebi ebo ebr ebs ebx eeb eee eef eeo eer ees eex ef- efb efe eff efi efo efr efs efx eib eie eif eii eio eir eis eix eo- eob eoe eof eoi eoo eor eos erb ere erf eri ero err ers es- esb ese esf esi eso esr ess esx ex- exe exi exo exr exs exx fbb fbe fbf fbi fbo fbr fbs fbx feb fee fef fei feo fer fes fex ffe fff ffi ffo ffr ffs ffx fib fie fif fii fir fis fix fob foe fof foi foo for fos fox frb fre frf fri fro frr frs fsb fse fsf fsi fso fsr fss fsx fxe fxi fxr fxs fxx i-f ibb ibe ibf ibi ibo ibr ibs ibx ie- iee ief iei ier ies iex ifb ife iff ifi ifo ifr ifs ifx iib iie iif iii iio iir iis iix io- iob ioe iof ioi ioo ior ios ir- irb ire irf iri iro irr irs irx is- isb ise isf isi iso isr iss ixe ixi o-i ob- obb obe obf obi obo obr obs obx oeb oee oef oei oeo oer oes oex of- ofb ofe off ofi ofo ofr ofs ofx oib oie oif oii oio oir ois oo- oob oof ooi ooo oor oos oox or- orb ore orf ori oro orr ors orx os- osb ose osf osi oso osr oss osx ox- oxb oxf oxi oxo oxx rbb rbe rbf rbi rbo rbr rbs rbx re- reb ree ref rei reo rer res rex rfb rfe rff rfi rfo rfr rfs rib rie rif rii rio rir ris rix rob roe rof roi roo ror ros rox rrb rrf rri rrr rrs rsb rse rsf rsi rso rsr rss rsx rxr rxs sbb sbe sbf sbi sbo sbr sbs sbx se- seb see sef sei seo ser ses sex sfb sfe sff sfi sfo sfr sfs sfx sib sie sif sii sio sir sis six sob soe sof soi soo sor sos sox sr- srb sre srf sri sro srr srs srx ss- ssb sse ssf ssi sso ssr sss ssx sxi sxs xbe xbr xbx xee xer xes xex xfe xfs xfx xie xii xio xis xix xof xoi xoo xor xos xox xrf xrx xsb xsi xss xxi xxo xxx

-ose bbbb bbbs bbeb bbox bebb bebe bebi bebo beeb beef beer bees befe beff befo beir beis beo- beof beor beos bere beri bero berr bers bes- bese beso bess bffs bfsi bfsr bibb bibe bibi bibo bibs bieb bief bier bies biff bifi biis bio- bioi bios biox birb bire biri biro birr birs birx bis- bise biso biss bixi bobb bobe bobi bobo bobs boee boef boeo boer boes bofe boff bofs boi- boie boii bois boob booe boof boor boos boox bor- bore borf bori boro borr bors bose bosi boso boss breb bree bref brei breo brer bres brex brie brio bris brix brob broe broo bror bros brox brrr brrs brsb brsr bseb bsee bser bses bsff bsfs bsix bsos bsse ebbo ebbr ebbs eber ebes ebis ebix eboe eboo ebor ebos ebox ebro eeee eees eefe eero eers eese eesi efbr efeo efes effi effs efor efsi eiei eier eies eifs eire eirs eise eiso eiss eoes eoir eois eore eori er-x erbb erbe ereb erei erer eres erfs erfx erie erio eris erob eroe eroi eroo eros erre erro errs erse ersi erso esbo esbs esee eseo eser eses esfs esie esis eso- esos esox esri esse essi esso exer exes exfo exif exis exo- exor exos exrx fbis fbrs febo febs feeb feer fees fefe feff fefi fefo feie feio feir feis feof ferb fere fero ferr fers fese fess ffee ffff ffii ffrr ffss fibe fibs fief fier fies fife fiff fifi fifo fiii fioe fior fios fire firs fise fisi fiss fixe fixx fobs foer foes fofo foie fois foix foof foos for- forb fore fori foro forr fors fosb fosi foso foss foxe foxx free frei freo fres frex frib frie frio fris frob froe fros frsb frso fsfi fsfo fsix fssf i-be ibes ibex ibfi ibie ibis ibos ibox ibri ibro ibsf ibss ieie ieio iere ieri iers iesi ieso iesr ifbb ifer ifes ifex ifis ifor ifrb ifrf ifri ifsb ifso iies iiie iiii iiio iiis iioi iioo iios iirs iisi iisr iobi ioee ioii ioio ioof iooi iooo ioos iore iori iors ioso irbe iree irer ires irex irfe iri- irie irio iris irix irob irre irri irrs irse irsf isbe isbx iseb isee iseo iser ises isie isis iso- isof isor isos isri isse issf issi isso issr isss ixos ixxi o-eo obbo ober obes obex obie obis obix oboe oboi obor obos obox obre obri obro obsr obss oere oers oese ofer off- offe offo offr offs ofor ofre oier oies oiii oios oire oise oobe oobi ooer ooes ooff oofs oooo ooos oore oose oosi orbb orbe orbi orbo orbs ore- oreb oreo orer ores orex orfe orff orfi orfs ori- orie orif orio oris orix oro- oroe orof oror oros orri orro orrs orse orsi orso osbe osee osei oser oses osie osii osis osoi osoo osor osos osro ossb osse ossi osso oxer oxes oxi- oxie oxis oxo- oxof oxos oxox oxsi oxxo rbbb rbbr rbbs rbis rbss rebb rebe rebo rebs reeb reef rees refe reff refi refr refs reif reii reir reis reof reos rere reri rero rers rese resi reso ress rexx rfef rib- ribe ribo ribs rief rier ries riex rife riff