-er -th bbb bbe bbh bbk bbo bbr bbs bbt be- beb bee beh bek beo ber bes bet bhb bhe bhh bhk bho bhr bhs bht bkb bke bkk bko bkr bks bkt bob boe boh bok boo bor bos bot brb bre brh brk bro brr brs brt bsb bse bsh bsk bso bsr bss bst btb bte bth btk bto btr bts btt ebb ebe ebh ebk ebo ebr ebs ebt eeb eee eek eeo eer ees eet ehb ehe ehh eho ehr ehs eht ekb eke ekh eko ekr eks ekt eo- eob eoe eoh eok eoo eor eos eot erb ere erh erk ero err ers ert es- esb ese esh esk eso esr ess est etb ete eth etk eto etr ets ett hbb hbe hbh hbk hbo hbr hbs hbt he- heb hee heh hek heo her hes het hhb hhe hhh hhk hho hhr hhs hht hkb hkh hkk hko hkr hks hkt hob hoe hoh hok hoo hor hos hot hr- hrb hre hrh hrk hro hrr hrs hrt hsb hse hsh hsk hsr hss hst htb hte hth htk hto htr hts htt k-t kbb kbe kbh kbk kbo kbr kbs ke- keb kee keh kek keo ker kes ket khe khh khk kho khr khs kkb kke kkh kkk kkr kks kkt kob koe koh kok koo kor kos kot krk kro krr krs krt ksb kse ksh ksk kso ksr kss kst ktb kte kth ktk kto ktr kts ktt ob- obb obe obh obk obo obr obs obt oeb oee oeh oeo oer oes oet ohe ohh oho ohr ohs oht okb oke okk oko okr oks oo- oob ooh ook ooo oor oos oot or- orb ore orh ork oro orr ors ort os- osb ose osh osk oso osr oss ost ot- otb ote oth otk oto otr ots ott rbb rbe rbh rbk rbo rbr rbs rbt re- reb ree reh rek reo rer res ret rh- rhb rhe rhh rho rhr rhs rht rkb rke rkk rko rks rkt rob roe roh rok roo ror ros rot rrb rrh rrk rrr rrs rrt rsb rse rsh rsk rso rsr rss rst rtb rte rtk rto rtr rts rtt sbb sbe sbh sbk sbo sbr sbs sbt se- seb see seh sek seo ser ses set sh- shb she shh shk sho shr shs sht sk- skb ske skh skk sko skr sks skt sob soe soh sok soo sor sos sot sr- srb sre srh srk sro srr srs srt ss- ssb sse ssh ssk sso ssr sss sst stb ste sth stk sto str sts stt tbb tbe tbh tbk tbo tbr tbs tbt te- teb tee teh tek teo ter tes tet th- thb the thh thk tho thr ths tht tkb tke tkk tko tkr tks tkt to- tob toe toh tok too tor tos tot trb tre trh trk tro trr trs trt tsb tse tsh tsk tso tsr tss tst ttb tte tth ttk tto ttr tts ttt

-ose bbbb bbbs bbeb bbet bbhs bebb bebe bebo beeb beek beer bees beet behr behs beke beko beks beo- beok beor beos beot bere berk bero berr bers bert bes- bese besh besk beso bess best bete beth beto bets bett bher bhet bhhs bhor bhot bhrt bkhs bobb bobe bobo bobs boee boeo boer boes boet boho bohr bohs boht boke boko boks boob booe booh book boor boos boot bor- bore borh bork boro borr bors bort bose bosh bosk boso boss bost botb bote both boto bots bott breb bree brek breo brer bres bret brhs brkb brob broe broh brok broo bror bros brot brrr brrs brsb brsr brst bseb bsee bser bses bset bshs bskt bsos bsse bsts btek bths btob btor btrt btss bttb ebbo ebbr ebbs eber ebes ebhs eboe eboo ebor ebos ebro eeee eees eehs eeke eeks eero eers eese eesk eete eeth eets eheh eher ehhs ehre ehte ekeb ekek eker ekes eket ekho ekhs ekos eoes eore eost eoto eots erbb erbe ereb erer eres eret erhs erke erks erob eroe eroo eros erre erro errs erse ersh erso erst erth erts esbo esbs esee esek eseo eser eses eset eshs eske esko esks eso- esok esos esse essh esso esst este esth esto estr ests etbr etee eter etes eth- ethe etho eths etoe etoh etok etos etre etro ette etto hbbs hbes hbhs hbos hbrs hbss hebb hebe hebo hebr heeb heek heer hees heet hehe heho hehs heke hekt heor herb here herk hero herr hers hert hesh hess hest hete heth heto hets hett hhhh hhhs hket hkse hkst hobe hobo hobs hoek hoer hoes hohe hoho hoke hoko hoks hooe hook hoor hoos hoot hore hork 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 htrk httr k-os kbbb kbbe kbbk kbbo kbbr kbbs kbbt kbeb kbee kbeh kbek kbeo kber kbes kbet kbhb kbhe kbhh kbhr kbhs kbht kbkb kbkk kbko kbkr kbob kboe kbok kboo kbos kbot kbrb kbre kbrh kbrk kbro kbrt kbsb kbsk kbso kbsr kbss kbst kbtb kbte kbtk kbto kbtr kbts kbtt kebb kebe kebr kebt keeh keek keer kees keet kehk kehr kehs kekb keke keko keks keok keos ker- kerb kere kerk kero kerr kers kert kesb kesh kesk keso kesr kess kest ket- kete keth ketk keto ketr kets kett khbr khbs khbt kheb kher khet khhk khho khhs khke khkk khkr khks khob khoe khok khor khot khrk khro khrr khrt khse khss khst khtb khte khth khtk khto khtr khts khtt kkbb kkbe kkbo kkbr kkbs kkbt kkhb kkhh kkhk kkhr kkkk kkob kkoh kkoo kkor kkot kkrb kkre kkrh kkrk kkro kkrr kkrs kkrt kkse kksr kkss kkst kktk kkts kobb kobe kobk kobo kobr kobs koes kohh