-er bbb bbe bbf bbh bbo bbr bbs bbx be- beb bee bef beh beo ber bes bex bfb bfe bff bfh bfo bfr bfs bfx bhb bhe bhf bhh bho bhr bhs bhx bob boe bof boh boo bor bos box brb bre brf brh bro brr brs brx bsb bse bsf bsh bso bsr bss bsx bxb bxo bxx ebb ebe ebf ebh ebo ebr ebs ebx eeb eee eef eeo eer ees eex ef- efb efe eff efh efo efr efs efx ehb ehe ehf ehh eho ehr ehs eo- eob eoe eof eoh eoo eor eos erb ere erf erh ero err ers es- esb ese esf esh eso esr ess esx ex- exe exh exo exr exs exx fbb fbe fbf fbh fbo fbr fbs fbx feb fee fef feh feo fer fes fex ffe fff ffh ffo ffr ffs ffx fhb fhe fhf fhh fho fhr fhs fob foe fof foh foo for fos fox frb fre frf frh fro frr frs fsb fse fsf fsh fso fsr fss fsx fxe fxr fxs fxx hbb hbe hbf hbh hbo hbr hbs hbx he- heb hee hef heh heo her hes hex hfb hfe hff hfh hfo hfr hfs hhb hhe hhf hhh hho hhr hhs hob hoe hof hoh hoo hor hos hox hr- hrb hre hrf hrh hro hrr hrs hsb hse hsf hsh hsr hss hsx ob- obb obe obf obh obo obr obs obx oeb oee oef oeh oeo oer oes oex of- ofb ofe off ofo ofr ofs ofx ohe ohf ohh oho ohr ohs oo- oob oof ooh ooo oor oos oox or- orb ore orf orh oro orr ors orx os- osb ose osf osh oso osr oss osx ox- oxb oxf oxo oxx rbb rbe rbf rbh rbo rbr rbs rbx re- reb ree ref reh reo rer res rex rfb rfe rff rfh rfo rfr rfs rh- rhb rhe rhf rhh rho rhr rhs rob roe rof roh roo ror ros rox rrb rrf rrh rrr rrs rsb rse rsf rsh rso rsr rss rsx rxr rxs sbb sbe sbf sbh sbo sbr sbs sbx se- seb see sef seh seo ser ses sex sfb sfe sff sfh sfo sfr sfs sfx sh- shb she shf shh sho shr shs sob soe sof soh soo sor sos sox sr- srb sre srf srh sro srr srs srx ss- ssb sse ssf ssh sso ssr sss ssx sxs xbe xbr xbx xee xer xes xex xfe xfh xfs xfx xof xoo xor xos xox xrf xrx xsb xss xxo xxx

-ose bbbb bbbs bbeb bbhs bbox bebb bebe bebo beeb beef beer bees befe beff befo behr behs beo- beof beor beos bere bero berr bers bes- bese besh beso bess bffs bfhs bfsr bher bhff bhhs bhor bhsf bobb bobe bobo bobs boee boef boeo boer boes bofe boff bofh bofs boho bohr bohs boob booe boof booh boor boos boox bor- bore borf borh boro borr bors bose bosh boso boss breb bree bref breo brer bres brex brhs brob broe broh broo bror bros brox brrr brrs brsb brsr bseb bsee bser bses bsff bsfs bshs bsos bsse ebbo ebbr ebbs eber ebes ebhs eboe eboo ebor ebos ebox ebro eeee eees eefe eehs eero eers eese efbr efeo efes effs efhs efor efsh eheh eher ehhs ehre eoes eore er-x erbb erbe ereb erer eres erfs erfx erhs erob eroe eroo eros erre erro errs erse ersh erso esbo esbs esee eseo eser eses esfs eshs eso- esos esox esse essh esso exer exes exfo exh- exo- exor exos exrx fbhs fbrs febo febs feeb feer fees fefe feff fefo fehr feof feoh ferb fere fero ferr fers fese fesh fess ffee ffff ffhs ffrr ffss fhfs fhhs fhrs fhss fobs foer foes fofo fohr fohs foof foos for- forb fore foro forr fors fosb fosh foso foss foxe foxh foxx free freo fres frex frhs frob froe froh fros frsb frso fsfo fshb fshs fssf hbbs hbes hbhs hbos hbox hbrs hbss hebb hebe hebo hebr heeb heef heer hees hefe hefs hehe heho hehs heor herb here hero herr hers hesh hess hex- hexb hexe hfhs hfrs hfss hhex hhhh hhhs hhof hobe hobo hobs hoer hoes hofe hoff hofs hofx hohe hoho hooe hoof hoor hoos hoox hore horo horr hors hose hosh hoss hree hrhs hrob hros hrso hses hsfs hshs hsob hsse o-eo obbo ober obes obex obhs oboe obor obos obox obre obrh obro obsr obss oere oers oese ofer off- offe offh offo offr offs ofor ofre ohbe ohee oher ohho ohhs ohob ohoh ohos ohre ohso ohss oobe ooer ooes ooff oofs ooho oohs oooh oooo ooos oore oose orbb orbe orbo orbs ore- oreb oreh oreo orer ores orex orfe orff orfs orhe orhs oro- oroe orof oror oros orro orrs orse orso osbe osee oseh oser oses oshe osho oshs osoo osor osos osro ossb osse osso oxer oxes oxo- oxof oxos oxox oxxo rbbb rbbr rbbs rbhs rboh rbss rebb rebe rebo rebs reeb reef rees refe reff refr refs rehb rehe rehs reof reos rere rero rers rese resh reso ress rexx rfef rfhs rheb rhee rheo rhes rhex rhfs rhhs rhob rhoh rhos rob- robb robe robo robs roer roes rofe roff rofo rohe rohr rohs roob roof roor roos roox rore roro rose rosh roso ross roxo rrhs rrrr rsee rshs rsos rsre rxes s-os sbbs sbef sber sbhs sbor sbse se-e se-f se-h se-o se-s se-x sebe sebo sebs seeb seef seeh seer sees seex seff sehe sehr sehs serb sere serf sero serr sers sese sesh seso sess sex- sexe sfer sfhs sfor sfos sfro sfss shbs she- sheb shee shef sheh sheo sher shes shhh shhs shoe shof shoo shor shos shox shre shrs sobe sobo sobr sobs soeo soes sofo sohh soho sohs soof soor soos sorb sore sorh soro sorr sors sose sosh soso