-al a-a a-b a-i a-t aaa aab aae aaf aai aal aat ab- aba abb abe abf abi abl abt aea aeb aee aef aei ael aet af- afa afb afe aff afi afl aft ai- aia aib aie aif aii ail ait al- ala alb ale alf ali all alt at- ata atb ate atf ati atl att baa bab bae baf bai bal bat bba bbb bbe bbf bbi bbl bbt be- bea beb bee bef bei bel bet bfa bfb bfe bff bfi bfl bft bi- bia bib bie bif bii bil bit bla blb ble blf bli bll blt bta btb bte btf bti btl btt eaa eab eae eaf eai eal eat eba ebb ebe ebf ebi ebl ebt eea eeb eee eef eel eet ef- efa efb efe eff efi efl eft eia eib eie eif eii eil eit ela elb ele elf eli ell elt eta etb ete etf eti etl ett faa fab fae faf fai fal fat fba fbb fbe fbf fbi fbl fbt fea feb fee fef fei fel fet ffa ffe fff ffi ffl fft fia fib fie fif fii fil fit fla flb fle flf fli fll flt fta ftb fte ftf fti ftl ftt i-f ia- iaa iab iae iaf iai ial iat iba ibb ibe ibf ibi ibl ibt ie- iea iee ief iei iel iet ifa ifb ife iff ifi ifl ift iia iib iie iif iii iil iit il- ila ilb ile ilf ili ill ilt ita itb ite itf iti itl itt la- laa lab lae laf lai lal lat lba lbb lbe lbf lbi lbl lbt lea leb lee lef lei lel let lfa lfb lfe lff lfi lfl lft lia lib lie lif lii lil lit lla llb lle llf lli lll llt lta ltb lte ltf lti ltl ltt taa tab tae taf tai tal tat tba tbb tbe tbf tbi tbl tbt te- tea teb tee tef tei tel tet tfa tfb tfe tff tfi tfl tft tia tib tie tif tii til tit tla tle tlf tli tll tlt tta ttb tte ttf tti ttl ttt