-ji bbb bbf bbi bbo bbr bbs bbt bfb bff bfi bfj bfo bfr bfs bft bi- bib bif bii bij bio bir bis bit bjf bji bjj bjr bjs bjt bob bof boi boj boo bor bos bot brb brf bri brj bro brr brs brt bsb bsf bsi bsj bso bsr bss bst btb btf bti bto btr bts btt fbb fbf fbi fbo fbr fbs fbt fff ffi ffo ffr ffs fft fib fif fii fij fir fis fit fjb fji fjs fob fof foi foo for fos fot frb frf fri frj fro frr frs frt fsb fsf fsi fsj fso fsr fss fst ftb ftf fti fto ftr fts ftt i-f ibb ibf ibi ibj ibo ibr ibs ibt ifb iff ifi ifo ifr ifs ift iib iif iii iij iio iir iis iit ijb ijf iji ijo ijs ijt io- iob iof ioi ioj ioo ior ios iot ir- irb irf iri irj iro irr irs irt is- isb isf isi isj iso isr iss ist itb itf iti itj ito its itt j-i jbf jbi jbj jbo jbr jbs jbt jfb jff jfi jfj jfo jfr jfs jft jib jif jii jij jio jir jis jit jjb jjf jjj jjr jjs job jof joi joj joo jor jos jot jrb jrf jri jro jrr jrs jrt jsb jsf jsi jsj jso jsr jss jst jtb jtf jti jtr jts jtt o-i ob- obb obf obi obj obo obr obs obt of- ofb off ofi ofo ofr ofs oft oib oif oii oio oir ois oit ojb oji ojo ojs oo- oob oof ooi ooo oor oos oot or- orb orf ori oro orr ors ort os- osb osf osi osj oso osr oss ost ot- otb otf oti oto otr ots ott rbb rbf rbi rbo rbr rbs rbt rfb rff rfi rfj rfo rfr rfs rft rib rif rii rio rir ris rit rjf rjr rob rof roi roj roo ror ros rot rrb rrf rri rrr rrs rrt rsb rsf rsi rsj rso rsr rss rst rtb rtf rti rtj rto rtr rts rtt sbb sbf sbi sbj sbo sbr sbs sbt sfb sff sfi sfj sfo sfr sfs sft sib sif sii sij sio sir sis sit sjb sjf sji sjj sjr sjs sjt sob sof soi soj soo sor sos sot sr- srb srf sri srj sro srr srs srt ss- ssb ssf ssi ssj sso ssr sss sst stb stf sti stj sto str sts stt tbb tbf tbi tbj tbo tbr tbs tbt tfb tff tfi tfj tfo tfr tfs tft tib tif tii tio tir tis tit tjf tji tjo tjr tjs to- tob tof toi toj too tor tos tot trb trf tri tro trr trs trt tsb tsf tsi tsj tso tsr tss tst ttb ttf tti tto ttr tts ttt