-al -th a-a a-b a-c a-t aaa aab aac aad aae aah aal aat ab- aba abb abc abd abe abh abl abt ac- aca acb acc acd ace ach acl act ad- ada adb adc add ade adh adl adt aea aeb aec aed aee aeh ael aet aha ahb ahc ahd ahe ahh ahl aht al- ala alb alc ald ale alh all alt at- ata atb atc atd ate ath atl att baa bab bac bad bae bah bal bat bba bbb bbc bbd bbe bbh bbl bbt bca bcb bcc bcd bce bch bcl bct bda bdb bdc bdd bde bdh bdl bdt be- bea beb bec bed bee beh bel bet bha bhb bhc bhd bhe bhh bhl bht bla blb blc bld ble blh bll blt bta btb btc btd bte bth btl btt c-- caa cab cac cad cae cah cal cat cba cbb cbc cbd cbe cbh cbl cbt cca ccb ccc ccd cce cch ccl cct cda cdb cdc cdd cde cdh cdl cdt ce- cea ceb cec ced cee ceh cel cet ch- cha chb chc chd che chh chl cht cl- cla clb clc cld cle clh cll clt cta ctb ctc ctd cte cth ctl ctt daa dab dac dad dae dah dal dat dba dbb dbc dbd dbe dbh dbl dbt dca dcb dcc dcd dce dcl dct dda ddb ddc ddd dde ddh ddl ddt de- dea deb dec ded dee deh del det dh- dha dhb dhc dhd dhe dhh dhl dht dl- dla dlb dlc dld dle dlh dll dlt dta dtb dtc dtd dte dth dtl dtt eaa eab eac ead eae eah eal eat eba ebb ebc ebd ebe ebh ebl ebt ec- eca ecb ecc ecd ece ech ecl ect ed- eda edb edc edd ede edh edl edt eea eeb eec eed eee eel eet eha ehb ehc ehd ehe ehh ehl eht ela elb elc eld ele elh ell elt eta etb etc etd ete eth etl ett haa hab hac had hae hah hal hat hba hbb hbc hbd hbe hbh hbl hbt hca hcb hcc hcd hce hch hcl hct hda hdb hdc hdd hde hdh hdl hdt he- hea heb hec hed hee heh hel het hha hhb hhc hhd hhe hhh hhl hht hla hlb hlc hld hle hlh hll hlt hta htb htc htd hte hth htl htt la- laa lab lac lad lae lah lal lat lba lbb lbc lbd lbe lbh lbl lbt lca lcb lcc lcd lce lch lcl lct lda ldb ldc ldd lde ldh ldl ldt lea leb lec led lee leh lel let lha lhb lhc lhd lhh lht lla llb llc lld lle lll llt lta ltb ltc ltd lte lth ltl ltt taa tab tac tad tae tah tal tat tba tbb tbc tbd tbe tbh tbl tbt tca tcb tcc tcd tce tch tcl tct tda tdb tdc tdd tde tdh tdl tdt te- tea teb tec ted tee teh tel tet th- tha thb thc thd the thh thl tht tla tlc tld tle tlh tll tlt tta ttb ttc ttd tte tth ttl ttt