-al a-a a-b a-i aaa aab aad aaf aai aal aan ab- aba abb abd abf abi abl abn ad- ada adb add adf adi adl adn af- afa afb afd aff afi afl afn ai- aia aib aid aif aii ail ain al- ala alb ald alf ali all aln an- ana anb and anf ani anl ann baa bab bad baf bai bal ban bba bbb bbd bbf bbi bbl bbn bda bdb bdd bdf bdi bdl bfa bfb bfd bff bfi bfl bfn bi- bia bib bid bif bii bil bin bla blb bld blf bli bll bln bna bnb bnd bnf bni bnl bnn daa dab dad daf dai dal dan dba dbb dbd dbf dbi dbl dbn dda ddb ddd ddf ddi ddl ddn dfa dfb dfd dff dfi dfl dfn di- dia dib did dif dii dil din dl- dla dlb dld dlf dli dll dna dnb dnd dnf dni dnl dnn faa fab fad faf fai fal fan fba fbb fbd fbf fbi fbl fbn fda fdb fdd fdf fdi fdl fdn ffa ffd fff ffi ffl ffn fia fib fid fif fii fil fin fla flb fld flf fli fll fln fna fnb fnd fnf fni fnl fnn i-d i-f ia- iaa iab iad iaf iai ial ian iba ibb ibd ibf ibi ibl ibn ida idb idd idf idi idl idn ifa ifb ifd iff ifi ifl ifn iia iib iid iif iii iil iin il- ila ilb ild ilf ili ill iln in- ina inb ind inf ini inl inn la- laa lab lad laf lai lal lan lba lbb lbd lbf lbi lbl lda ldb ldd ldf ldi ldl ldn lfa lfb lfd lff lfi lfl lfn lia lib lid lif lii lil lin lla llb lld llf lli lll lln lna lnb lnd lni lnl lnn n-i naa nab nad naf nai nal nan nba nbb nbd nbf nbi nbl nbn nda ndb ndd ndf ndi ndl ndn nfa nfb nfd nff nfi nfl nfn nia nib nid nif nii nil nin nla nlb nld nlf nli nll nln nna nnb nnf nni nnl nnn