-ol bbb bbd bbg bbi bbl bbo bbt bdb bdd bdg bdi bdl bdo bdt bgb bgd bgg bgi bgl bgo bgt bi- bib bid big bii bil bio bit blb bld blg bli bll blo blt bob bod bog boi bol boo bot btb btd btg bti btl bto btt dbb dbd dbg dbi dbl dbo dbt ddb ddd ddg ddi ddl ddo ddt dgd dgg dgi dgl dgt di- dib did dig dii dil dio dit dl- dlb dld dlg dli dll dlo dlt dob dod dog doi dol doo dot dtb dtd dtg dti dtl dto dtt g-d gbd gbg gbi gbl gbo gbt gdb gdd gdi gdl gdo gdt ggb ggd ggg ggi ggo ggt gib gid gig gii gil gio git glb gld glg gli gll glo glt gob god gog goi gol goo got gtb gtd gtg gti gtl gto gtt i-d ibb ibd ibg ibi ibl ibo ibt idb idd idg idi idl ido idt igb igd igg igi igl igo igt iib iid iii iil iio iit il- ilb ild ilg ili ill ilo ilt io- iob iod iog ioi iol ioo iot itb itd itg iti itl ito itt lbb lbd lbg lbi lbl lbo lbt ldb ldd ldg ldi ldl ldo ldt lgb lgd lgg lgi lgl lgo lgt lib lid lig lii lil lio lit llb lld llg lli lll llo llt lob lod log loi lol loo lot ltb ltd ltg lti ltl lto ltt o-i ob- obb obd obg obi obl obo obt odb odd odg odi odl odo odt ogd ogg ogi ogl ogo ogt oib oid oii oil oio oit olb old olg oli oll olo olt oo- oob ood oog ooi ool ooo oot ot- otb otd otg oti otl oto ott tbb tbd tbg tbi tbl tbo tbt tdb tdd tdg tdi tdl tdo tdt tgb tgg tgi tgl tgo tgt tib tid tig tii til tio tit tld tlg tli tll tlo tlt to- tob tod tog toi tol too tot ttb ttd ttg tti ttl tto ttt