-er -ic -ol bbb bbc bbe bbf bbi bbk bbl bbo bbr bbs bcb bcc bce bcf bci bck bcl bco bcr bcs be- beb bec bee bef bei bek bel beo ber bes bfb bfc bfe bff bfi bfl bfo bfr bfs bi- bib bic bie bif bii bik bil bio bir bis bkb bkc bke bkf bkk bkl bko bkr bks blb blc ble blf bli blk bll blo blr bls bob boc boe bof boi bok bol boo bor bos brb bre brf bri brk brl bro brr brs bsb bsc bse bsf bsi bsk bsl bso bsr bss c-- cbb cbc cbe cbf cbi cbk cbl cbo cbr cbs ccb ccc cce ccf cci cck ccl cco ccr ccs ce- ceb cec cee cef cei cek cel ceo cer ces cfb cfc cfe cff cfi cfk cfl cfo cfr cfs ci- cib cic cie cif cii cik cil cio cir cis ckb ckc cki cko cks cl- clb clc cle clf cli clk cll clo clr cls co- cob coc coe cof coi cok col coo cor cos crb crc cre crf cri crk crl cro crr crs csb csc cse csf csi csk csl cso csr css ebb ebc ebe ebf ebi ebk ebl ebo ebr ebs ec- ecb ecc ece ecf eci eck ecl eco ecr ecs eeb eec eee eef eek eel eeo eer ees ef- efb efc efe eff efi efl efo efr efs eib eic eie eif eii eik eil eio eir eis ekb ekc eke ekf eki ekl eko ekr eks elb elc ele elf eli elk ell elo elr els eo- eob eoc eoe eof eoi eok eol eoo eor eos erb erc ere erf eri erk erl ero err ers es- esb esc ese esf esi esk esl eso esr ess fbb fbc fbe fbf fbi fbk fbl fbo fbr fbs fcb fcc fce fcf fci fck fcl fco fcr fcs feb fec fee fef fei fek fel feo fer fes ffc ffe fff ffi ffk ffl ffo ffr ffs fib fic fie fif fii fik fil fir fis fkb fkc fkf fki fkk fkl flb flc fle flf fli fll flo flr fls fob foc foe fof foi fok fol foo for fos frb frc fre frf fri frk frl fro frr frs fsb fsc fse fsf fsi fsk fsl fso fsr fss i-f ibb ibc ibe ibf ibi ibk ibl ibo ibr ibs icb icc ice icf ici ick icl ico icr ics ie- iec iee ief iei iek iel ier ies ifb ifc ife iff ifi ifl ifo ifr ifs iib iic iie iif iii iil iio iir iis ikb ikc ike ikf iki ikk ikl iko ikr iks il- ilb ilc ile ilf ili ilk ill ilo ilr ils io- iob ioc ioe iof ioi iol ioo ior ios ir- irb irc ire irf iri irk irl iro irr irs is- isb isc ise isf isi isk isl iso isr iss kbb kbc kbe kbf kbi kbk kbl kbo kbr kbs kcb kcc kce kci kck kcl kcr kcs ke- keb kec kee kef kei kek kel keo ker kes kfc kff kfi kfo kfs kib kic kie kif kii kik kil kio kir kis kkb kkc kke kki kkk kkl kkr kks kl- klb klc klf kli klo klr kls kob koc koe kof koi kok kol koo kor kos krc krf kri krk krl kro krr krs ksb ksc kse ksf ksi ksk ksl kso ksr kss lbb lbc lbe lbf lbi lbk lbl lbo lbr lbs lcb lcc lce lcf lci lck lcl lco lcr lcs leb lec lee lef lei lek lel leo ler les lfb lfc lfe lff lfi lfk lfl lfo lfr lfs lib lic lie lif lii lik lil lio lir lis lkb lkl lkr lks llb llc lle llf lli llk lll llo llr lls lob loc loe lof loi lok lol loo lor los lrb lrc lrf lri lrk lro lrr lrs lsb lsc lse lsf lsi lsk lsl lso lsr lss o-i ob- obb obc obe obf obi obk obl obo obr obs oc- ocb occ ocf oci ock ocl oco ocr ocs oeb oec oee oef oei oel oeo oer oes of- ofb ofc ofe off ofi ofl ofo ofr ofs oib oic oie oif oii oik oil oio oir ois okb okc oke oki okk okl oko okr oks olb olc ole olf oli olk oll olo ols oo- oob ooc oof ooi ook ool ooo oor oos or- orb orc ore orf ori ork orl oro orr ors os- osb osc ose osf osi osk osl oso osr oss rbb rbc rbe rbf rbi rbk rbl rbo rbr rbs rcb rcc rce rcf rci rcl rco rcr rcs re- reb rec ree ref rei rek rel reo rer res rfb rfc rfe rff rfi rfk rfl rfo rfr rfs rib ric rie rif rii rik ril rio rir ris rkb rkc rke rkf rkk rko rks rlc rle rlf rli rll rlo rlr rls rob roc roe rof roi rok rol roo ror ros rrb rrc rrf rri rrk rrl rrr rrs rsb rsc rse rsf rsi rsk rsl rso rsr rss sbb sbc sbe sbf sbi sbk sbl sbo sbr sbs scb scc sce scf sci sck scl sco scr scs se- seb sec see sef sei sek sel seo ser ses sfb sfc sfe sff sfi sfk sfl sfo sfr sfs sib sic sie sif sii sik sil sio sir sis sk- skb skc ske skf ski skk skl sko skr sks slb slc sle slf sli slk sll slo slr sls sob soc soe sof soi sok sol soo sor sos sr- srb src sre srf sri srk srl sro srr srs ss- ssb ssc sse ssf ssi ssk ssl sso ssr sss

-ose bbbb bbbs bbci bbeb bbfc bblb bbls bbrc bcbc bcbs bccc bcci bccl bccs bcec bcer bces bcfc bcie bcis bcof bcor bcos bcrs