-ol bbb bbd bbi bbl bbo bbt bdb bdd bdi bdl bdo bdt bdz bi- bib bid bii bil bio bit biz blb bld bli bll blo blt blz bob bod boi bol boo bot boz btb btd bti btl bto btt btz bzd bzo bzz dbb dbd dbi dbl dbo dbt dbz ddb ddd ddi ddl ddo ddt ddz di- dib did dii dil dio dit diz dl- dlb dld dli dll dlo dlt dob dod doi dol doo dot doz dtb dtd dti dtl dto dtt dtz dzb dzd dzi dzo i-d ibb ibd ibi ibl ibo ibt ibz idb idd idi idl ido idt iib iid iii iil iio iit il- ilb ild ili ill ilo ilt ilz io- iob iod ioi iol ioo iot itb itd iti itl ito itt itz izi izo izz lbb lbd lbi lbl lbo lbt ldb ldd ldi ldl ldo ldt lib lid lii lil lio lit liz llb lld lli lll llo llt llz lob lod loi lol loo lot loz ltb ltd lti ltl lto ltt ltz lzi lzo o-i ob- obb obd obi obl obo obt odb odd odi odl odo odt oib oid oii oil oio oit oiz olb old oli oll olo olt oo- oob ood ooi ool ooo oot ot- otb otd oti otl oto ott otz ozo ozt ozz tbb tbd tbi tbl tbo tbt tbz tdb tdd tdi tdl tdo tdt tib tid tii til tio tit tiz tld tli tll tlo tlt tlz to- tob tod toi tol too tot toz ttb ttd tti ttl tto ttt tzd zbb zbl zbt zdt zib zid zil zio zit ziz zlt zo- zob zod zoi zol zoo zot ztl zzt zzz