-al a-a a-c a-t aaa aac aad aae aak aal aat ac- aca acc acd ace ack acl act ad- ada adc add ade adk adl adt aea aec aed aee aek ael aet aka akc akd ake akk akl al- ala alc ald ale alk all alt at- ata atc atd ate atl att c-- caa cac cad cae cak cal cat cca ccc ccd cce cck ccl cct cda cdc cdd cde cdk cdl cdt ce- cea cec ced cee cek cel cet cka ckc ckd ckt cl- cla clc cld cle clk cll clt cta ctc ctd cte ctk ctl ctt daa dac dad dae dak dal dat dca dcc dcd dce dck dcl dct dda ddc ddd dde ddk ddl ddt de- dea dec ded dee dek del det dka dkc dke dkk dkl dkt dl- dla dlc dld dle dlk dll dlt dta dtc dtd dte dtk dtl dtt eaa eac ead eae eak eal eat ec- eca ecc ecd ece eck ecl ect ed- eda edc edd ede edk edl edt eea eec eed eee eek eel eet eka ekc ekd eke ekl ekt ela elc eld ele elk ell elt eta etc etd ete etk etl ett k-t ka- kaa kac kad kae kak kal kat kca kcc kcd kce kck kcl kct kda kdc kde kdk kdl kdt ke- kea kec ked kee kek kel ket kkc kke kkk kkl kkt kl- kla klc kld klt kta ktc kte ktk ktl ktt la- laa lac lad lae lak lal lat lca lcc lcd lce lck lcl lct lda ldc ldd lde ldk ldl ldt lea lec led lee lek lel let lka lkl lkt lla llc lld lle llk lll llt lta ltc ltd lte ltk ltl ltt taa tac tad tae tak tal tat tca tcc tcd tce tck tcl tct tda tdc tdd tde tdk tdl tdt te- tea tec ted tee tek tel tet tka tkc tke tkk tkl tkt tla tlc tld tle tlk tll tlt tta ttc ttd tte ttk ttl ttt