-al -er -th a-a a-b a-c a-t aaa aab aac aad aae aah aal aar aat ab- aba abb abc abd abe abh abl abr abt ac- aca acb acc acd ace ach acl acr act ad- ada adb adc add ade adh adl adr adt aea aeb aec aed aee aeh ael aer aet aha ahb ahc ahd ahe ahh ahl ahr aht al- ala alb alc ald ale alh all alr alt ar- ara arb arc ard are arh arl arr art at- ata atb atc atd ate ath atl atr att baa bab bac bad bae bah bal bar bat bba bbb bbc bbd bbe bbh bbl bbr bbt bca bcb bcc bcd bce bch bcl bcr bct bda bdb bdc bdd bde bdh bdl bdr bdt be- bea beb bec bed bee beh bel ber bet bha bhb bhc bhd bhe bhh bhl bhr bht bla blb blc bld ble blh bll blr blt bra brb brd bre brh brl brr brt bta btb btc btd bte bth btl btr btt c-- caa cab cac cad cae cah cal car cat cba cbb cbc cbd cbe cbh cbl cbr cbt cca ccb ccc ccd cce cch ccl ccr cct cda cdb cdc cdd cde cdh cdl cdr cdt ce- cea ceb cec ced cee ceh cel cer cet ch- cha chb chc chd che chh chl chr cht cl- cla clb clc cld cle clh cll clr clt cra crb crc crd cre crh crl crr crt cta ctb ctc ctd cte cth ctl ctr ctt daa dab dac dad dae dah dal dar dat dba dbb dbc dbd dbe dbh dbl dbr dbt dca dcb dcc dcd dce dcl dcr dct dda ddb ddc ddd dde ddh ddl ddr ddt de- dea deb dec ded dee deh del der det dh- dha dhb dhc dhd dhe dhh dhl dhr dht dl- dla dlb dlc dld dle dlh dll dlr dlt dra drb drc drd dre drl drr drt dta dtb dtc dtd dte dth dtl dtr dtt eaa eab eac ead eae eah eal ear eat eba ebb ebc ebd ebe ebh ebl ebr ebt ec- eca ecb ecc ecd ece ech ecl ecr ect ed- eda edb edc edd ede edh edl edr edt eea eeb eec eed eee eel eer eet eha ehb ehc ehd ehe ehh ehl ehr eht ela elb elc eld ele elh ell elr elt era erb erc erd ere erh erl err ert eta etb etc etd ete eth etl etr ett haa hab hac had hae hah hal har hat hba hbb hbc hbd hbe hbh hbl hbr hbt hca hcb hcc hcd hce hch hcl hcr hct hda hdb hdc hdd hde hdh hdl hdr hdt he- hea heb hec hed hee heh hel her het hha hhb hhc hhd hhe hhh hhl hhr hht hla hlb hlc hld hle hlh hll hlr hlt hr- hra hrb hrc hrd hre hrh hrl hrr hrt hta htb htc htd hte hth htl htr htt la- laa lab lac lad lae lah lal lar lat lba lbb lbc lbd lbe lbh lbl lbr lbt lca lcb lcc lcd lce lch lcl lcr lct lda ldb ldc ldd lde ldh ldl ldr ldt lea leb lec led lee leh lel ler let lha lhb lhc lhd lhh lhr lht lla llb llc lld lle lll llr llt lra lrb lrc lrd lrh lrr lrt lta ltb ltc ltd lte lth ltl ltr ltt ra- raa rab rac rad rae rah ral rar rat rba rbb rbc rbd rbe rbh rbl rbr rbt rca rcb rcc rcd rce rch rcl rcr rct rda rdb rdc rdd rde rdh rdl rdr rdt re- rea reb rec red ree reh rel rer ret rh- rha rhb rhc rhd rhe rhh rhl rhr rht rla rlc rld rle rlh rll rlr rlt rra rrb rrc rrd rrh rrl rrr rrt rta rtb rtc rtd rte rtl rtr rtt taa tab tac tad tae tah tal tar tat tba tbb tbc tbd tbe tbh tbl tbr tbt tca tcb tcc tcd tce tch tcl tcr tct tda tdb tdc tdd tde tdh tdl tdr tdt te- tea teb tec ted tee teh tel ter tet th- tha thb thc thd the thh thl thr tht tla tlc tld tle tlh tll tlr tlt tra trb trc trd tre trh trl trr trt tta ttb ttc ttd tte tth ttl ttr ttt