-er -ic bbb bbc bbe bbi bbk bbo bbr bbs bbx bcb bcc bce bci bck bco bcr bcs bcx be- beb bec bee bei bek beo ber bes bex bi- bib bic bie bii bik bio bir bis bix bkb bkc bke bkk bko bkr bks bkx bob boc boe boi bok boo bor bos box brb bre bri brk bro brr brs brx bsb bsc bse bsi bsk bso bsr bss bsx bxb bxi bxo bxx c-- cbb cbc cbe cbi cbk cbo cbr cbs cbx ccb ccc cce cci cck cco ccr ccs ccx ce- ceb cec cee cei cek ceo cer ces cex ci- cib cic cie cii cik cio cir cis cix ckb ckc cki cko cks ckx co- cob coc coe coi cok coo cor cos cox crb crc cre cri crk cro crr crs crx csb csc cse csi csk cso csr css csx cxc cxi cxk cxo cxr cxs cxx ebb ebc ebe ebi ebk ebo ebr ebs ebx ec- ecb ecc ece eci eck eco ecr ecs ecx eeb eec eee eek eeo eer ees eex eib eic eie eii eik eio eir eis eix ekb ekc eke eki eko ekr eks eo- eob eoc eoe eoi eok eoo eor eos erb erc ere eri erk ero err ers es- esb esc ese esi esk eso esr ess esx ex- exc exe exi exo exr exs exx ibb ibc ibe ibi ibk ibo ibr ibs ibx icb icc ice ici ick ico icr ics ie- iec iee iei iek ier ies iex iib iic iie iii iio iir iis iix ikb ikc ike iki ikk iko ikr iks ikx io- iob ioc ioe ioi ioo ior ios ir- irb irc ire iri irk iro irr irs irx is- isb isc ise isi isk iso isr iss ixc ixe ixi kbb kbc kbe kbi kbk kbo kbr kbs kbx kcb kcc kce kci kck kcr kcs kcx ke- keb kec kee kei kek keo ker kes kex kib kic kie kii kik kio kir kis kix kkb kkc kke kki kkk kkr kks kob koc koe koi kok koo kor kos krc kri krk kro krr krs ksb ksc kse ksi ksk kso ksr kss kxo o-i ob- obb obc obe obi obk obo obr obs obx oc- ocb occ oci ock oco ocr ocs ocx oeb oec oee oei oeo oer oes oex oib oic oie oii oik oio oir ois okb okc oke oki okk oko okr oks oo- oob ooc ooi ook ooo oor oos oox or- orb orc ore ori ork oro orr ors orx os- osb osc ose osi osk oso osr oss osx ox- oxb oxc oxi oxo oxx rbb rbc rbe rbi rbk rbo rbr rbs rbx rcb rcc rce rci rco rcr rcs rcx re- reb rec ree rei rek reo rer res rex rib ric rie rii rik rio rir ris rix rkb rkc rke rkk rko rks rob roc roe roi rok roo ror ros rox rrb rrc rri rrk rrr rrs rsb rsc rse rsi rsk rso rsr rss rsx rxr rxs sbb sbc sbe sbi sbk sbo sbr sbs sbx scb scc sce sci sck sco scr scs scx se- seb sec see sei sek seo ser ses sex sib sic sie sii sik sio sir sis six sk- skb skc ske ski skk sko skr sks skx sob soc soe soi sok soo sor sos sox sr- srb src sre sri srk sro srr srs srx ss- ssb ssc sse ssi ssk sso ssr sss ssx sxc sxi sxs xbc xbe xbr xbx xcb xci xcr xcx xee xer xes xex xic xie xii xio xis xix xkb xke xks xoc xoi xok xoo xor xos xox xrc xrx xsb xsc xsi xss xxi xxo xxx

-ose bbbb bbbs bbci bbeb bbox bbrc bcbc bcbs bccc bcci bccs bcec bcer bces bcie bcis bcor bcos bcrs bcsc bcss bebb bebe bebi bebo beci beck becs beeb beek beer bees beic beik beir beis beke beki beko beks beo- beok beor beos berc bere beri berk bero berr bers bes- bese besk beso bess bibb bibe bibi bibo bibs bicc bice bici bick bico bics bieb bier bies biis bike biko bio- bioc bioi bios biox birb bire biri birk biro birr birs birx bis- bisc bise bisk biso biss bixi bobb bobe bobi bobo bobs boce bock boco bocs boec boee boeo boer boes boi- boie boii bois boke boki boko boks boob booc booe book boor boos boox bor- bore bori bork boro borr bors bosc bose bosi bosk boso boss brcb brce breb brec bree brei brek breo brer bres brex bric brie brik brio bris brix brkb brob broc broe brok broo bror bros brox brrr brrs brsb brsr bsci bscs bseb bsec bsee bser bses bsic bsix bsos bssc bsse c-bo cbbc cbbs cbcc cbce cbcr cbcs cbec cbee cber cbir cbko cbkr cbox cbre cbsc cbse cbsi ccbc cccb cccc ccci cccs ccee ccic ccii ccir ccis ccix ccob ccoc ccrc ccre ccri ccrs ccsi ccss ccxi cebs cec- cece ceci ceco cecs ceeb ceec cees ceke ceor ceos cer- cerc cere ceri cero cers cesc cese cesi cesr cess cexe cibc cibe cibi cibo cicc cici cico cicr cics ciee cier cies ciii ciis ciko cikr ciob cior cios cirb circ cire ciri cirk ciro cirr cirs cis- cisc cise cisk cisr ciss cixi ckbc ckbe ckbi ckbx ckck ckco ckcs ckcx cker ckob ckoc ckoi ckoo ckor ckos ckrc cksb ckso cobb cobe cobi cobo cobs coce cock coco coes coex coir cois coix cok- coke coko coob cook coos cor- corb corc core cori cork coro corr cors cosc cose cosi coso coss coxe crbc crcc crce crcr cre- creb crec cree crei creo cres crex crib cric crie crik cris crkc crob croc croe crok croo cror crss cscb cscc csce csci csco cscr cscs csec csee cser csib csik