-er -ic -ji bbb bbc bbe bbf bbi bbo bbr bbs bbt bcb bcc bce bcf bci bcj bco bcr bcs bct be- beb bec bee bef bei beo ber bes bet bfb bfc bfe bff bfi bfj bfo bfr bfs bft bi- bib bic bie bif bii bij bio bir bis bit bjc bjf bji bjj bjr bjs bjt bob boc boe bof boi boj boo bor bos bot brb bre brf bri brj bro brr brs brt bsb bsc bse bsf bsi bsj bso bsr bss bst btb btc bte btf bti bto btr bts btt c-- c-j cbb cbc cbe cbf cbi cbj cbo cbr cbs cbt ccb ccc cce ccf cci ccj cco ccr ccs cct ce- ceb cec cee cef cei cej ceo cer ces cet cfb cfc cfe cff cfi cfo cfr cfs cft ci- cib cic cie cif cii cij cio cir cis cit cjb cjc cjf cjr cjs co- cob coc coe cof coi coj coo cor cos cot crb crc cre crf cri crj cro crr crs crt csb csc cse csf csi csj cso csr css cst ctb ctc cte ctf cti cto ctr cts ctt ebb ebc ebe ebf ebi ebj ebo ebr ebs ebt ec- ecb ecc ece ecf eci ecj 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 eij eio eir eis eit ejc ejf eji ejo ejt 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 etj eto etr ets ett fbb fbc fbe fbf fbi fbo fbr fbs fbt fcb fcc fce fcf fci fcj 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 fij fir fis fit fjb fjc fji fjs fob foc foe fof foi foo for fos fot frb frc fre frf fri frj fro frr frs frt fsb fsc fse fsf fsi fsj fso fsr fss fst ftb ftc fte ftf fti fto ftr fts ftt i-f ibb ibc ibe ibf ibi ibj ibo ibr ibs ibt icb icc ice icf ici icj ico icr ics ict ie- iec iee ief iei iej ier ies iet ifb ifc ife iff ifi ifo ifr ifs ift iib iic iie iif iii iij iio iir iis iit ijb ijc ije ijf iji ijo ijs ijt io- iob ioc ioe iof ioi ioj ioo ior ios iot ir- irb irc ire irf iri irj iro irr irs irt is- isb isc ise isf isi isj iso isr iss ist itb itc ite itf iti itj ito its itt j-i jbc jbf jbi jbj jbo jbr jbs jbt jcb jcc jce jcf jci jco jcr jcs jct jeb jec jee jef jei jej jeo jer jes jet jfb jfc jfe jff jfi jfj jfo jfr jfs jft jib jic jie jif jii jij jio jir jis jit jjb jjc jjf jjj jjr jjs job joc joe jof joi joj joo jor jos jot jrb jrc jrf jri jro jrr jrs jrt jsb jsc jse jsf jsi jsj jso jsr jss jst jtb jtc jte jtf jti jtr jts jtt o-i ob- obb obc obe obf obi obj obo obr obs obt oc- ocb occ ocf oci ocj 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 ojb ojc oje oji ojo ojs 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 osj 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 rcj rco rcr rcs rct re- reb rec ree ref rei reo rer res ret rfb rfc rfe rff rfi rfj rfo rfr rfs rft rib ric rie rif rii rio rir ris rit rjc rjf rjr rob roc roe rof roi roj roo ror ros rot rrb rrc rrf rri rrr rrs rrt rsb rsc rse rsf rsi rsj rso rsr rss rst rtb rtc rte rtf rti rtj rto rtr rts rtt sbb sbc sbe sbf sbi sbj sbo sbr sbs sbt scb scc sce scf sci scj sco scr scs sct se- seb sec see sef sei sej seo ser ses set sfb sfc sfe sff sfi sfj sfo sfr sfs sft sib sic sie sif sii sij sio sir sis sit sjb sjc sje sjf sji sjj sjr sjs sjt sob soc soe sof soi soj soo sor sos sot sr- srb src sre srf sri srj sro srr srs srt ss- ssb ssc sse ssf ssi ssj sso ssr sss sst stb stc ste stf sti stj sto str sts stt tbb tbc tbe tbf tbi tbj tbo tbr tbs tbt tcb tcc tce tcf tci tcj tco tcr tcs tct te- teb tec tee tef tei tej teo ter tes tet tfb tfc tfe tff tfi tfj tfo tfr tfs tft tib tic tie tif tii tio tir tis tit tjc tje tjf tji tjo tjr tjs to- tob toc toe tof toi toj too tor tos tot trb trc tre trf tri tro trr trs trt tsb tsc tse tsf tsi tsj tso tsr tss tst ttb ttc tte ttf tti tto ttr tts ttt