-er -ic bbb bbc bbe bbf bbi bbo bbr bbs bbt bcb bcc bce bcf bci bco bcr bcs bct be- beb bec bee bef bei beo ber bes bet bfb bfc bfe bff bfi bfo bfr bfs bft bi- bib bic bie bif bii bio bir bis bit bob boc boe bof boi boo bor bos bot brb bre brf bri bro brr brs brt bsb bsc bse bsf bsi bso bsr bss bst btb btc bte btf bti bto btr bts btt c-- cbb cbc cbe cbf cbi cbo cbr cbs cbt ccb ccc cce ccf cci cco ccr ccs cct ce- ceb cec cee cef cei ceo cer ces cet cfb cfc cfe cff cfi cfo cfr cfs cft ci- cib cic cie cif cii cio cir cis cit co- cob coc coe cof coi coo cor cos cot crb crc cre crf cri cro crr crs crt csb csc cse csf csi cso csr css cst ctb ctc cte ctf cti cto ctr cts ctt ebb ebc ebe ebf ebi ebo ebr ebs ebt ec- ecb ecc ece ecf eci eco ecr ecs ect eeb eec eee eef eeo eer ees eet ef- efb efc efe eff efi efo efr efs eft eib eic eie eif eii eio eir eis eit eo- eob eoc eoe eof eoi eoo eor eos eot erb erc ere erf eri ero err ers ert es- esb esc ese esf esi eso esr ess est etb etc ete etf eti eto etr ets ett fbb fbc fbe fbf fbi fbo fbr fbs fbt fcb fcc fce fcf fci fco fcr fcs fct feb fec fee fef fei feo fer fes fet ffc ffe fff ffi ffo ffr ffs fft fib fic fie fif fii fir fis fit fob foc foe fof foi foo for fos fot frb frc fre frf fri fro frr frs frt fsb fsc fse fsf fsi fso fsr fss fst ftb ftc fte ftf fti fto ftr fts ftt i-f ibb ibc ibe ibf ibi ibo ibr ibs ibt icb icc ice icf ici ico icr ics ict ie- iec iee ief iei ier ies iet ifb ifc ife iff ifi ifo ifr ifs ift iib iic iie iif iii iio iir iis iit io- iob ioc ioe iof ioi ioo ior ios iot ir- irb irc ire irf iri iro irr irs irt is- isb isc ise isf isi iso isr iss ist itb itc ite itf iti ito its itt o-i ob- obb obc obe obf obi obo obr obs obt oc- ocb occ ocf oci oco ocr ocs oct oeb oec oee oef oei oeo oer oes oet of- ofb ofc ofe off ofi ofo ofr ofs oft oib oic oie oif oii oio oir ois oit oo- oob ooc oof ooi ooo oor oos oot or- orb orc ore orf ori oro orr ors ort os- osb osc ose osf osi oso osr oss ost ot- otb otc ote otf oti oto otr ots ott rbb rbc rbe rbf rbi rbo rbr rbs rbt rcb rcc rce rcf rci rco rcr rcs rct re- reb rec ree ref rei reo rer res ret rfb rfc rfe rff rfi rfo rfr rfs rft rib ric rie rif rii rio rir ris rit rob roc roe rof roi roo ror ros rot rrb rrc rrf rri rrr rrs rrt rsb rsc rse rsf rsi rso rsr rss rst rtb rtc rte rtf rti rto rtr rts rtt sbb sbc sbe sbf sbi sbo sbr sbs sbt scb scc sce scf sci sco scr scs sct se- seb sec see sef sei seo ser ses set sfb sfc sfe sff sfi sfo sfr sfs sft sib sic sie sif sii sio sir sis sit sob soc soe sof soi soo sor sos sot sr- srb src sre srf sri sro srr srs srt ss- ssb ssc sse ssf ssi sso ssr sss sst stb stc ste stf sti sto str sts stt tbb tbc tbe tbf tbi tbo tbr tbs tbt tcb tcc tce tcf tci tco tcr tcs tct te- teb tec tee tef tei teo ter tes tet tfb tfc tfe tff tfi tfo tfr tfs tft tib tic tie tif tii tio tir tis tit to- tob toc toe tof toi too tor tos tot trb trc tre trf tri tro trr trs trt tsb tsc tse tsf tsi tso tsr tss tst ttb ttc tte ttf tti tto ttr tts ttt

-ose bbbb bbbs bbci bbeb bbet bbfc bbrc bcbc bcbs bccc bcci bccs bcec bcer bces bcet bcfc bcie bcis bcit bcof bcor bcos bcrs bcsc bcss bctc bcts bebb bebe bebi bebo beci becs beeb beef beer bees beet befe beff befo beft beic beir beis beit beo- beof beor beos beot berc bere beri bero berr bers bert bes- bese beso bess best betc bete beti beto bets bett bfcs bffs bfsi bfsr bfts bftt bibb bibe bibi bibo bibs bicc bice bici bico bics bieb bief bier bies biet biff bifi biis bio- bioc bioi bios biot birb bire biri biro birr birs birt bis- bisc bise biso biss bist bitc bite bito bits bitt bobb bobe bobi bobo bobs boce boco bocs boec boee boef boeo boer boes boet bofe boff bofs boi- boie boii bois boit boob booc booe boof boor boos boot bor- bore borf bori boro borr bors bort bosc bose bosi boso boss bost botb bote boti boto bots bott brcb brce breb brec bree bref brei breo brer bres bret brfc bric brie brio bris brit brob broc broe broo bror bros brot brrr brrs brsb brsr brst brtc bsci bscs bseb bsec bsee bser bses bset bsfc bsff bsfs bsic bsos bssc bsse bsts btcc btcs btec btfc btie btob btor btrc btrt btss bttb c-bo cbbc cbbs cbcc cbce cbcr cbcs cbct cbec cbee cbef cber cbet cbfb cbfc cbir cbit cbot cbre cbrt cbsc cbse cbsi cbtc cbtf ccbc