-ol bbb bbd bbf bbi bbl bbo bbr bbt bdb bdd bdf bdi bdl bdo bdr bdt bfb bfd bff bfi bfl bfo bfr bft bi- bib bid bif bii bil bio bir bit blb bld blf bli bll blo blr blt bob bod bof boi bol boo bor bot brb brd brf bri brl bro brr brt btb btd btf bti btl bto btr btt dbb dbd dbf dbi dbl dbo dbr dbt ddb ddd ddf ddi ddl ddo ddr ddt dfb dfd dff dfi dfl dfo dfr dft di- dib did dif dii dil dio dir dit dl- dlb dld dlf dli dll dlo dlr dlt dob dod dof doi dol doo dor dot drb drd dri drl dro drr drt dtb dtd dtf dti dtl dto dtr dtt fbb fbd fbf fbi fbl fbo fbr fbt fdb fdd fdf fdi fdl fdo fdr fdt ffd fff ffi ffl ffo ffr fft fib fid fif fii fil fir fit flb fld flf fli fll flo flr flt fob fof foi fol foo for fot frb frd frf fri frl fro frr frt ftb ftd ftf fti ftl fto ftr ftt i-d i-f ibb ibd ibf ibi ibl ibo ibr ibt idb idd idf idi idl ido idr idt ifb ifd iff ifi ifl ifo ifr ift iib iid iif iii iil iio iir iit il- ilb ild ilf ili ill ilo ilr ilt io- iob iod iof ioi iol ioo ior iot ir- irb ird irf iri irl iro irr irt itb itd itf iti itl ito itt lbb lbd lbf lbi lbl lbo lbr lbt ldb ldd ldf ldi ldl ldo ldr ldt lfb lfd lff lfi lfl lfo lfr lft lib lid lif lii lil lio lir lit llb lld llf lli lll llo llr llt lob lod lof loi lol loo lor lot lrb lrd lrf lri lro lrr lrt ltb ltd ltf lti ltl lto ltr ltt o-i ob- obb obd obf obi obl obo obr obt odb odd odf odi odl odo odr odt of- ofb ofd off ofi ofl ofo ofr oft oib oid oif oii oil oio oir oit olb old olf oli oll olo olt oo- oob ood oof ooi ool ooo oor oot or- orb ord orf ori orl oro orr ort ot- otb otd otf oti otl oto otr ott rbb rbd rbf rbi rbl rbo rbr rbt rdb rdd rdf rdi rdl rdo rdr rdt rfb rfd rff rfi rfl rfo rfr rft rib rid rif rii ril rio rir rit rld rlf rli rll rlo rlr rlt rob rod rof roi rol roo ror rot rrb rrd rrf rri rrl rrr rrt rtb rtd rtf rti rtl rto rtr rtt tbb tbd tbf tbi tbl tbo tbr tbt tdb tdd tdf tdi tdl tdo tdr tdt tfb tfd tff tfi tfl tfo tfr tft tib tid tif tii til tio tir tit tld tlf tli tll tlo tlr tlt to- tob tod tof toi tol too tor tot trb trd trf tri trl tro trr trt ttb ttd ttf tti ttl tto ttr ttt