-al -er -th a-a a-b a-t aaa aab aae aaf aah aal aar aat ab- aba abb abe abf abh abl abr abt aea aeb aee aef aeh ael aer aet af- afa afb afe aff afh afl afr aft aha ahb ahe ahf ahh ahl ahr aht al- ala alb ale alf alh all alr alt ar- ara arb are arf arh arl arr art at- ata atb ate atf ath atl atr att baa bab bae baf bah bal bar bat bba bbb bbe bbf bbh bbl bbr bbt be- bea beb bee bef beh bel ber bet bfa bfb bfe bff bfh bfl bfr bft bha bhb bhe bhf bhh bhl bhr bht bla blb ble blf blh bll blr blt bra brb bre brf brh brl brr brt bta btb bte btf bth btl btr btt eaa eab eae eaf eah eal ear eat eba ebb ebe ebf ebh ebl ebr ebt eea eeb eee eef eel eer eet ef- efa efb efe eff efh efl efr eft eha ehb ehe ehf ehh ehl ehr eht ela elb ele elf elh ell elr elt era erb ere erf erh erl err ert eta etb ete etf eth etl etr ett faa fab fae faf fah fal far fat fba fbb fbe fbf fbh fbl fbr fbt fea feb fee fef feh fel fer fet ffa ffe fff ffh ffl ffr fft fha fhb fhe fhf fhh fhl fhr fla flb fle flf fll flr flt fra frb fre frf frh frl frr frt fta ftb fte ftf fth ftl ftr ftt haa hab hae haf hah hal har hat hba hbb hbe hbf hbh hbl hbr hbt he- hea heb hee hef heh hel her het hfa hfb hfe hff hfh hfl hfr hft hha hhb hhe hhf hhh hhl hhr hht hla hlb hle hlf hlh hll hlr hlt hr- hra hrb hre hrf hrh hrl hrr hrt hta htb hte htf hth htl htr htt la- laa lab lae laf lah lal lar lat lba lbb lbe lbf lbh lbl lbr lbt lea leb lee lef leh lel ler let lfa lfb lfe lff lfh lfl lfr lft lha lhb lhf lhh lhr lht lla llb lle llf lll llr llt lra lrb lrf lrh lrr lrt lta ltb lte ltf lth ltl ltr ltt ra- raa rab rae raf rah ral rar rat rba rbb rbe rbf rbh rbl rbr rbt re- rea reb ree ref reh rel rer ret rfa rfb rfe rff rfh rfl rfr rft rh- rha rhb rhe rhf rhh rhl rhr rht rla rle rlf rlh rll rlr rlt rra rrb rrf rrh rrl rrr rrt rta rtb rte rtf rtl rtr rtt taa tab tae taf tah tal tar tat tba tbb tbe tbf tbh tbl tbr tbt te- tea teb tee tef teh tel ter tet tfa tfb tfe tff tfh tfl tfr tft th- tha thb the thf thh thl thr tht tla tle tlf tlh tll tlr tlt tra trb tre trf trh trl trr trt tta ttb tte ttf tth ttl ttr ttt