-al a-a a-b a-i a-t aaa aab aad aai aal aat ab- aba abb abd abi abl abt ad- ada adb add adi adl adt ai- aia aib aid aii ail ait al- ala alb ald ali all alt at- ata atb atd ati atl att baa bab bad bai bal bat bba bbb bbd bbi bbl bbt bda bdb bdd bdi bdl bdt bi- bia bib bid bii bil bit bla blb bld bli bll blt bta btb btd bti btl btt daa dab dad dai dal dat dba dbb dbd dbi dbl dbt dda ddb ddd ddi ddl ddt di- dia dib did dii dil dit dl- dla dlb dld dli dll dlt dta dtb dtd dti dtl dtt i-d ia- iaa iab iad iai ial iat iba ibb ibd ibi ibl ibt ida idb idd idi idl idt iia iib iid iii iil iit il- ila ilb ild ili ill ilt ita itb itd iti itl itt la- laa lab lad lai lal lat lba lbb lbd lbi lbl lbt lda ldb ldd ldi ldl ldt lia lib lid lii lil lit lla llb lld lli lll llt lta ltb ltd lti ltl ltt taa tab tad tai tal tat tba tbb tbd tbi tbl tbt tda tdb tdd tdi tdl tdt tia tib tid tii til tit tla tld tli tll tlt tta ttb ttd tti ttl ttt