-al a-a a-b a-i a-t aaa aab aad aaf aai aal aat ab- aba abb abd abf abi abl abt ad- ada adb add adf adi adl adt af- afa afb afd aff afi afl aft ai- aia aib aid aif aii ail ait al- ala alb ald alf ali all alt at- ata atb atd atf ati atl att baa bab bad baf bai bal bat bba bbb bbd bbf bbi bbl bbt bda bdb bdd bdf bdi bdl bdt bfa bfb bfd bff bfi bfl bft bi- bia bib bid bif bii bil bit bla blb bld blf bli bll blt bta btb btd btf bti btl btt daa dab dad daf dai dal dat dba dbb dbd dbf dbi dbl dbt dda ddb ddd ddf ddi ddl ddt dfa dfb dfd dff dfi dfl dft di- dia dib did dif dii dil dit dl- dla dlb dld dlf dli dll dlt dta dtb dtd dtf dti dtl dtt faa fab fad faf fai fal fat fba fbb fbd fbf fbi fbl fbt fda fdb fdd fdf fdi fdl fdt ffa ffd fff ffi ffl fft fia fib fid fif fii fil fit fla flb fld flf fli fll flt fta ftb ftd ftf fti ftl ftt i-d i-f ia- iaa iab iad iaf iai ial iat iba ibb ibd ibf ibi ibl ibt ida idb idd idf idi idl idt ifa ifb ifd iff ifi ifl ift iia iib iid iif iii iil iit il- ila ilb ild ilf ili ill ilt ita itb itd itf iti itl itt la- laa lab lad laf lai lal lat lba lbb lbd lbf lbi lbl lbt lda ldb ldd ldf ldi ldl ldt lfa lfb lfd lff lfi lfl lft lia lib lid lif lii lil lit lla llb lld llf lli lll llt lta ltb ltd ltf lti ltl ltt taa tab tad taf tai tal tat tba tbb tbd tbf tbi tbl tbt tda tdb tdd tdf tdi tdl tdt tfa tfb tfd tff tfi tfl tft tia tib tid tif tii til tit tla tld tlf tli tll tlt tta ttb ttd ttf tti ttl ttt