-er -th bbb bbe bbh bbo bbr bbs bbt bbx be- beb bee beh beo ber bes bet bex bhb bhe bhh bho bhr bhs bht bhx bob boe boh boo bor bos bot box brb bre brh bro brr brs brt brx bsb bse bsh bso bsr bss bst bsx btb bte bth bto btr bts btt btx bxb bxo bxx ebb ebe ebh ebo ebr ebs ebt ebx eeb eee eeo eer ees eet eex ehb ehe ehh eho ehr ehs eht eo- eob eoe eoh eoo eor eos eot erb ere erh ero err ers ert es- esb ese esh eso esr ess est esx etb ete eth eto etr ets ett etx ex- exe exh exo exr exs ext exx hbb hbe hbh hbo hbr hbs hbt hbx he- heb hee heh heo her hes het hex hhb hhe hhh hho hhr hhs hht hob hoe hoh hoo hor hos hot hox hr- hrb hre hrh hro hrr hrs hrt hsb hse hsh hsr hss hst hsx htb hte hth hto htr hts htt htx ob- obb obe obh obo obr obs obt obx oeb oee oeh oeo oer oes oet oex ohe ohh oho ohr ohs oht oo- oob ooh ooo oor oos oot oox or- orb ore orh oro orr ors ort orx os- osb ose osh oso osr oss ost osx ot- otb ote oth oto otr ots ott ox- oxb oxo oxt oxx rbb rbe rbh rbo rbr rbs rbt rbx re- reb ree reh reo rer res ret rex rh- rhb rhe rhh rho rhr rhs rht rob roe roh roo ror ros rot rox rrb rrh rrr rrs rrt rsb rse rsh rso rsr rss rst rsx rtb rte rto rtr rts rtt rtx rxr rxs sbb sbe sbh sbo sbr sbs sbt sbx se- seb see seh seo ser ses set sex sh- shb she shh sho shr shs sht sob soe soh soo sor sos sot sox sr- srb sre srh sro srr srs srt srx ss- ssb sse ssh sso ssr sss sst ssx stb ste sth sto str sts stt stx sxs sxt t-x tbb tbe tbh tbo tbr tbs tbt te- teb tee teh teo ter tes tet tex th- thb the thh tho thr ths tht thx to- tob toe toh too tor tos tot tox trb tre trh tro trr trs trt trx tsb tse tsh tso tsr tss tst tsx ttb tte tth tto ttr tts ttt ttx txe txs txt xbe xbr xbx xee xer xes xet xex xht xoo xor xos xot xox xrt xrx xsb xss xst xtr xts xtx xxo xxx

-ose bbbb bbbs bbeb bbet bbhs bbox bebb bebe bebo beeb beer bees beet behr behs beo- beor beos beot bere bero berr bers bert bes- bese besh beso bess best bete beth beto bets bett bher bhet bhhs bhor bhot bhrt bobb bobe bobo bobs boee boeo boer boes boet boho bohr bohs boht boob booe booh boor boos boot boox bor- bore borh boro borr bors bort bose bosh boso boss bost botb bote both boto bots bott breb bree breo brer bres bret brex brhs brob broe broh broo bror bros brot brox brrr brrs brsb brsr brst bseb bsee bser bses bset bshs bsos bsse bsts btex bths btob btor btrt btss bttb ebbo ebbr ebbs eber ebes ebhs eboe eboo ebor ebos ebox ebro eeee eees eehs eero eers eese eete eeth eets eext eheh eher ehhs ehre ehte eoes eore eost eoto eots er-x erbb erbe ereb erer eres eret erhs erob eroe eroo eros erre erro errs erse ersh erso erst erth erts esbo esbs esee eseo eser eses eset eshs eso- esos esox esse essh esso esst este esth esto estr ests etbr etee eter etes eth- ethe etho eths etoe etoh etos etox etre etro ette etto exer exes exh- exo- exor exos exrx exte extr exts hbbs hbes hbhs hbos hbox hbrs hbss hebb hebe hebo hebr heeb heer hees heet hehe heho hehs heor herb here hero herr hers hert hesh hess hest hete heth heto hets hett hex- hexb hexe hext hhex hhhh hhhs hobe hobo hobs hoer hoes hohe hoho hooe hoor hoos hoot hoox hore horo horr hors hort hose hosh hoss host hotb hote hoth hoto hotr hots hott hree hrhs hrob hros hrso hrtb hrte hses hset hshs hsob hsse hste hsts htet hths htoh httr o-eo obbo ober obes obet obex obhs oboe obor obos obot obox obre obrh obro obsr obss obst obts oere oers oese oest ohbe ohee oher ohho ohhs ohob ohoh ohos ohre ohso ohss ohte ohto oobe ooer ooes ooho oohs oooh oooo ooos oore oort oose oost ootb oots orbb orbe orbo orbs ore- oreb oreh oreo orer ores orex orhe orhs oro- oroe oror oros orot orro orrs orse orso orte orth orto orts osbe osee oseh oser oses oset oshe osho oshs osoo osor osos osro ossb osse osso oste ostr osts otbs otee oter otes othe otho othr oths oto- otoe otoh otoo otor otos otre otro otrs otse otso otte otto otts oxer oxes oxo- oxos oxox oxxo rbbb rbbr rbbs rbhs rboh rbss rbst rebb rebe rebo rebs reeb rees reet rehb rehe rehs reht reos reot rere rero rers rert rese resh reso ress rest rete reth reto retr rets rett rexx rheb rhee rheo rhes rhet rhex rhhs rhob rhoh rhos rob- robb robe robo robs robt roer roes roet rohe rohr rohs roob roor roos root roox rore roro rort rose rosh roso ross rost rote roth roto rotr rots rott roxo rrhs rrrr rsee rshs rsos rsre rsts rtee rtes rtex rths rtss rtts rxes s-os sbbs sber sbhs sbor sbot sbse sbst se-e se-h se-o se-s se-t se-x sebe sebo sebs sebt seeb seeh seer sees seet seex sehe sehr sehs serb sere sero serr sers sert sese sesh seso sess sest set- sete