-al -er -th a-a a-b a-t aaa aab aae aah aal aar aat ab- aba abb abe abh abl abr abt aea aeb aee aeh ael aer aet aha ahb ahe ahh ahl ahr aht al- ala alb ale alh all alr alt ar- ara arb are arh arl arr art at- ata atb ate ath atl atr att baa bab bae bah bal bar bat bba bbb bbe bbh bbl bbr bbt be- bea beb bee beh bel ber bet bha bhb bhe bhh bhl bhr bht bla blb ble blh bll blr blt bra brb bre brh brl brr brt bta btb bte bth btl btr btt eaa eab eae eah eal ear eat eba ebb ebe ebh ebl ebr ebt eea eeb eee eel eer eet eha ehb ehe ehh ehl ehr eht ela elb ele elh ell elr elt era erb ere erh erl err ert eta etb ete eth etl etr ett haa hab hae hah hal har hat hba hbb hbe hbh hbl hbr hbt he- hea heb hee heh hel her het hha hhb hhe hhh hhl hhr hht hla hlb hle hlh hll hlr hlt hr- hra hrb hre hrh hrl hrr hrt hta htb hte hth htl htr htt la- laa lab lae lah lal lar lat lba lbb lbe lbh lbl lbr lbt lea leb lee leh lel ler let lha lhb lhh lhr lht lla llb lle lll llr llt lra lrb lrh lrr lrt lta ltb lte lth ltl ltr ltt ra- raa rab rae rah ral rar rat rba rbb rbe rbh rbl rbr rbt re- rea reb ree reh rel rer ret rh- rha rhb rhe rhh rhl rhr rht rla rle rlh rll rlr rlt rra rrb rrh rrl rrr rrt rta rtb rte rtl rtr rtt taa tab tae tah tal tar tat tba tbb tbe tbh tbl tbr tbt te- tea teb tee teh tel ter tet th- tha thb the thh thl thr tht tla tle tlh tll tlr tlt tra trb tre trh trl trr trt tta ttb tte tth ttl ttr ttt