-al a-a a-b a-t aaa aab aad aae aal aap aat ab- aba abb abd abe abl abp abt ad- ada adb add ade adl adp adt aea aeb aed aee ael aep aet al- ala alb ald ale all alp alt ap- apa apb apd ape apl app apt at- ata atb atd ate atl atp att b-p baa bab bad bae bal bap bat bba bbb bbd bbe bbl bbp bbt bda bdb bdd bde bdl bdp bdt be- bea beb bed bee bel bep bet bla blb bld ble bll blp blt bpa bpb bpd bpe bpl bpp bpt bta btb btd bte btl btp btt daa dab dad dae dal dap dat dba dbb dbd dbe dbl dbp dbt dda ddb ddd dde ddl ddp ddt de- dea deb ded dee del dep det dl- dla dlb dld dle dll dlp dlt dpa dpb dpd dpe dpl dpp dpt dta dtb dtd dte dtl dtp dtt eaa eab ead eae eal eap eat eba ebb ebd ebe ebl ebp ebt ed- eda edb edd ede edl edp edt eea eeb eed eee eel eep eet ela elb eld ele ell elp elt ep- epa epb epd epe epl epp ept eta etb etd ete etl etp ett l-p la- laa lab lad lae lal lap lat lba lbb lbd lbe lbl lbp lbt lda ldb ldd lde ldl ldp ldt lea leb led lee lel lep let lla llb lld lle lll llp llt lpa lpb lpd lpe lpl lpp lpt lta ltb ltd lte ltl ltp ltt p-p paa pab pad pae pal pap pat pba pbb pbd pbe pbl pbp pbt pda pdb pdd pde pdl pdp pdt pea peb ped pee pel pep pet pla plb pld ple pll plp plt ppa ppb ppd ppe ppl ppp ppt pt- pta ptb ptd pte ptl ptp ptt taa tab tad tae tal tap tat tba tbb tbd tbe tbl tbp tbt tda tdb tdd tde tdl tdp tdt te- tea teb ted tee tel tep tet tla tld tle tll tlp tlt tpa tpb tpd tpe tpl tpp tpt tta ttb ttd tte ttl ttp ttt