-ol bbb bbd bbe bbf bbi bbl bbo bbt bdb bdd bde bdf bdi bdl bdo bdt be- beb bed bee bef bei bel beo bet bfb bfd bfe bff bfi bfl bfo bft bi- bib bid bie bif bii bil bio bit blb bld ble blf bli bll blo blt bob bod boe bof boi bol boo bot btb btd bte btf bti btl bto btt dbb dbd dbe dbf dbi dbl dbo dbt ddb ddd dde ddf ddi ddl ddo ddt de- deb ded dee def dei del deo det dfb dfd dfe dff dfi dfl dfo dft di- dib did die dif dii dil dio dit dl- dlb dld dle dlf dli dll dlo dlt dob dod doe dof doi dol doo dot dtb dtd dte dtf dti dtl dto dtt ebb ebd ebe ebf ebi ebl ebo ebt ed- edb edd ede edf edi edl edo edt eeb eed eee eef eel eeo eet ef- efb efd efe eff efi efl efo eft eib eid eie eif eii eil eio eit elb eld ele elf eli ell elo elt eo- eob eod eoe eof eoi eol eoo eot etb etd ete etf eti etl eto ett fbb fbd fbe fbf fbi fbl fbo fbt fdb fdd fde fdf fdi fdl fdo fdt feb fed fee fef fei fel feo fet ffd ffe fff ffi ffl ffo fft fib fid fie fif fii fil fit flb fld fle flf fli fll flo flt fob foe fof foi fol foo fot ftb ftd fte ftf fti ftl fto ftt i-d i-f ibb ibd ibe ibf ibi ibl ibo ibt idb idd ide idf idi idl ido idt ie- ied iee ief iei iel iet ifb ifd ife iff ifi ifl ifo ift iib iid iie iif iii iil iio iit il- ilb ild ile ilf ili ill ilo ilt io- iob iod ioe iof ioi iol ioo iot itb itd ite itf iti itl ito itt lbb lbd lbe lbf lbi lbl lbo lbt ldb ldd lde ldf ldi ldl ldo ldt leb led lee lef lei lel leo let lfb lfd lfe lff lfi lfl lfo lft lib lid lie lif lii lil lio lit llb lld lle llf lli lll llo llt lob lod loe lof loi lol loo lot ltb ltd lte ltf lti ltl lto ltt o-i ob- obb obd obe obf obi obl obo obt odb odd ode odf odi odl odo odt oeb oed oee oef oei oel oeo oet of- ofb ofd ofe off ofi ofl ofo oft oib oid oie oif oii oil oio oit olb old ole olf oli oll olo olt oo- oob ood oof ooi ool ooo oot ot- otb otd ote otf oti otl oto ott tbb tbd tbe tbf tbi tbl tbo tbt tdb tdd tde tdf tdi tdl tdo tdt te- teb ted tee tef tei tel teo tet tfb tfd tfe tff tfi tfl tfo tft tib tid tie tif tii til tio tit tld tle tlf tli tll tlo tlt to- tob tod toe tof toi tol too tot ttb ttd tte ttf tti ttl tto ttt