-al -th a-a a-b a-c a-t aaa aab aac aad aae aah aak aal aat ab- aba abb abc abd abe abh abk abl abt ac- aca acb acc acd ace ach ack acl act ad- ada adb adc add ade adh adk adl adt aea aeb aec aed aee aeh aek ael aet aha ahb ahc ahd ahe ahh ahk ahl aht aka akb akc akd ake akh akk akl al- ala alb alc ald ale alh alk all alt at- ata atb atc atd ate ath atl att baa bab bac bad bae bah bak bal bat bba bbb bbc bbd bbe bbh bbk bbl bbt bca bcb bcc bcd bce bch bck bcl bct bda bdb bdc bdd bde bdh bdk bdl bdt be- bea beb bec bed bee beh bek bel bet bha bhb bhc bhd bhe bhh bhk bhl bht bka bkb bkc bke bkk bkl bkt bla blb blc bld ble blh blk bll blt bta btb btc btd bte bth btk btl btt c-- caa cab cac cad cae cah cak cal cat cba cbb cbc cbd cbe cbh cbk cbl cbt cca ccb ccc ccd cce cch cck ccl cct cda cdb cdc cdd cde cdh cdk cdl cdt ce- cea ceb cec ced cee ceh cek cel cet ch- cha chb chc chd che chh chk chl cht cka ckb ckc ckd ckh ckt cl- cla clb clc cld cle clh clk cll clt cta ctb ctc ctd cte cth ctk ctl ctt daa dab dac dad dae dah dak dal dat dba dbb dbc dbd dbe dbh dbk dbl dbt dca dcb dcc dcd dce dck dcl dct dda ddb ddc ddd dde ddh ddk ddl ddt de- dea deb dec ded dee deh dek del det dh- dha dhb dhc dhd dhe dhh dhk dhl dht dka dkb dkc dke dkk dkl dkt dl- dla dlb dlc dld dle dlh dlk dll dlt dta dtb dtc dtd dte dth dtk dtl dtt eaa eab eac ead eae eah eak eal eat eba ebb ebc ebd ebe ebh ebk ebl ebt ec- eca ecb ecc ecd ece ech eck ecl ect ed- eda edb edc edd ede edh edk edl edt eea eeb eec eed eee eek eel eet eha ehb ehc ehd ehe ehh ehl eht eka ekb ekc ekd eke ekh ekl ekt ela elb elc eld ele elh elk ell elt eta etb etc etd ete eth etk etl ett haa hab hac had hae hah hak hal hat hba hbb hbc hbd hbe hbh hbk hbl hbt hca hcb hcc hcd hce hch hck hcl hct hda hdb hdc hdd hde hdh hdk hdl hdt he- hea heb hec hed hee heh hek hel het hha hhb hhc hhd hhe hhh hhk hhl hht hka hkb hkd hkh hkk hkl hkt hla hlb hlc hld hle hlh hll hlt hta htb htc htd hte hth htk htl htt k-t ka- kaa kab kac kad kae kah kak kal kat kba kbb kbc kbd kbe kbh kbk kbl kca kcb kcc kcd kce kch kck kcl kct kda kdb kdc kde kdh kdk kdl kdt ke- kea keb kec ked kee keh kek kel ket kha khe khh khk kkb kkc kke kkh kkk kkl kkt kl- kla klb klc kld klh klt kta ktb ktc kte kth ktk ktl ktt la- laa lab lac lad lae lah lak lal lat lba lbb lbc lbd lbe lbh lbk lbl lbt lca lcb lcc lcd lce lch lck lcl lct lda ldb ldc ldd lde ldh ldk ldl ldt lea leb lec led lee leh lek lel let lha lhb lhc lhd lhh lhk lht lka lkb lkh lkl lkt lla llb llc lld lle llk lll llt lta ltb ltc ltd lte lth ltk ltl ltt taa tab tac tad tae tah tak tal tat tba tbb tbc tbd tbe tbh tbk tbl tbt tca tcb tcc tcd tce tch tck tcl tct tda tdb tdc tdd tde tdh tdk tdl tdt te- tea teb tec ted tee teh tek tel tet th- tha thb thc thd the thh thk thl tht tka tkb tkc tke tkk tkl tkt tla tlc tld tle tlh tlk tll tlt tta ttb ttc ttd tte tth ttk ttl ttt