-ic -ji bbb bbc bbe bbf bbi bbo bbs bbt bcb bcc bce bcf bci bcj bco bcs bct be- beb bec bee bef bei beo bes bet bfb bfc bfe bff bfi bfj bfo bfs bft bi- bib bic bie bif bii bij bio bis bit bjc bjf bji bjj bjs bjt bob boc boe bof boi boj boo bos bot bsb bsc bse bsf bsi bsj bso bss bst btb btc bte btf bti bto bts btt c-- c-j cbb cbc cbe cbf cbi cbj cbo cbs cbt ccb ccc cce ccf cci ccj cco ccs cct ce- ceb cec cee cef cei cej ceo ces cet cfb cfc cfe cff cfi cfo cfs cft ci- cib cic cie cif cii cij cio cis cit cjb cjc cjf cjs co- cob coc coe cof coi coj coo cos cot csb csc cse csf csi csj cso css cst ctb ctc cte ctf cti cto cts ctt ebb ebc ebe ebf ebi ebj ebo ebs ebt ec- ecb ecc ece ecf eci ecj eco ecs ect eeb eec eee eef eeo ees eet ef- efb efc efe eff efi efo efs eft eib eic eie eif eii eij eio eis eit ejc ejf eji ejo ejt eo- eob eoc eoe eof eoi eoo eos eot es- esb esc ese esf esi eso ess est etb etc ete etf eti etj eto ets ett fbb fbc fbe fbf fbi fbo fbs fbt fcb fcc fce fcf fci fcj fco fcs fct feb fec fee fef fei feo fes fet ffc ffe fff ffi ffo ffs fft fib fic fie fif fii fij fis fit fjb fjc fji fjs fob foc foe fof foi foo fos fot fsb fsc fse fsf fsi fsj fso fss fst ftb ftc fte ftf fti fto fts ftt i-f ibb ibc ibe ibf ibi ibj ibo ibs ibt icb icc ice icf ici icj ico ics ict ie- iec iee ief iei iej ies iet ifb ifc ife iff ifi ifo ifs ift iib iic iie iif iii iij iio iis iit ijb ijc ije ijf iji ijo ijs ijt io- iob ioc ioe iof ioi ioj ioo ios iot is- isb isc ise isf isi isj iso iss ist itb itc ite itf iti itj ito its itt j-i jbc jbf jbi jbj jbo jbs jbt jcb jcc jce jcf jci jco jcs jct jeb jec jee jef jei jej jeo jes jet jfb jfc jfe jff jfi jfj jfo jfs jft jib jic jie jif jii jij jio jis jit jjb jjc jjf jjj jjs job joc joe jof joi joj joo jos jot jsb jsc jse jsf jsi jsj jso jss jst jtb jtc jte jtf jti jts jtt o-i ob- obb obc obe obf obi obj obo obs obt oc- ocb occ ocf oci ocj oco ocs oct oeb oec oee oef oei oeo oes oet of- ofb ofc ofe off ofi ofo ofs oft oib oic oie oif oii oio ois oit ojb ojc oje oji ojo ojs oo- oob ooc oof ooi ooo oos oot os- osb osc ose osf osi osj oso oss ost ot- otb otc ote otf oti oto ots ott sbb sbc sbe sbf sbi sbj sbo sbs sbt scb scc sce scf sci scj sco scs sct se- seb sec see sef sei sej seo ses set sfb sfc sfe sff sfi sfj sfo sfs sft sib sic sie sif sii sij sio sis sit sjb sjc sje sjf sji sjj sjs sjt sob soc soe sof soi soj soo sos sot ss- ssb ssc sse ssf ssi ssj sso sss sst stb stc ste stf sti stj sto sts stt tbb tbc tbe tbf tbi tbj tbo tbs tbt tcb tcc tce tcf tci tcj tco tcs tct te- teb tec tee tef tei tej teo tes tet tfb tfc tfe tff tfi tfj tfo tfs tft tib tic tie tif tii tio tis tit tjc tje tjf tji tjo tjs to- tob toc toe tof toi toj too tos tot tsb tsc tse tsf tsi tsj tso tss tst ttb ttc tte ttf tti tto tts ttt