bbb bbd bbi bbk bbl bbt bdb bdd bdi bdk bdl bdt bdz bi- bib bid bii bik bil bit biz bkb bkk bkl bkt blb bld bli blk bll blt blz btb btd bti btk btl btt btz bzd bzz dbb dbd dbi dbk dbl dbt dbz ddb ddd ddi ddk ddl ddt ddz di- dib did dii dik dil dit diz dkb dki dkk dkl dkt dl- dlb dld dli dlk dll dlt dtb dtd dti dtk dtl dtt dtz dzb dzd dzi i-d ibb ibd ibi ibk ibl ibt ibz idb idd idi idk idl idt iib iid iii iil iit ikb iki ikk ikl ikt il- ilb ild ili ilk ill ilt ilz itb itd iti itk itl itt itz izi izz k-t k-z kbb kbd kbi kbk kbl kbz kdb kdk kdl kdt kib kid kii kik kil kit kiz kkb kki kkk kkl kkt kl- klb kld kli klt klz ktb ktk ktl ktt lbb lbd lbi lbk lbl lbt ldb ldd ldi ldk ldl ldt lib lid lii lik lil lit liz lkb lkl lkt llb lld lli llk lll llt llz ltb ltd lti ltk ltl ltt ltz lzi tbb tbd tbi tbk tbl tbt tbz tdb tdd tdi tdk tdl tdt tib tid tii tik til tit tiz tkb tkk tkl tkt tkz tld tli tlk tll tlt tlz ttb ttd tti ttk ttl ttt tzd zbb zbl zbt zdt zib zid zik zil zit ziz zlt ztl zzt zzz