-al a-a a-b a-t aaa aab aad aae aal aap aas aat ab- aba abb abd abe abl abp abs abt ad- ada adb add ade adl adp ads adt aea aeb aed aee ael aep aes aet al- ala alb ald ale all alp als alt ap- apa apb apd ape apl app aps apt as- asa asb asd ase asl asp ass ast at- ata atb atd ate atl atp ats att b-p baa bab bad bae bal bap bas bat bba bbb bbd bbe bbl bbp bbs bbt bda bdb bdd bde bdl bdp bds bdt be- bea beb bed bee bel bep bes bet bla blb bld ble bll blp bls blt bpa bpb bpd bpe bpl bpp bps bpt bsa bsb bsd bse bsl bsp bss bst bta btb btd bte btl btp bts btt daa dab dad dae dal dap das dat dba dbb dbd dbe dbl dbp dbs dbt dda ddb ddd dde ddl ddp dds ddt de- dea deb ded dee del dep des det dl- dla dlb dld dle dll dlp dls dlt dpa dpb dpd dpe dpl dpp dps dpt dsa dsb dsd dse dsl dsp dss dst dta dtb dtd dte dtl dtp dts dtt eaa eab ead eae eal eap eas eat eba ebb ebd ebe ebl ebp ebs ebt ed- eda edb edd ede edl edp eds edt eea eeb eed eee eel eep ees eet ela elb eld ele ell elp els elt ep- epa epb epd epe epl epp eps ept es- esa esb esd ese esl esp ess est eta etb etd ete etl etp ets ett l-p la- laa lab lad lae lal lap las lat lba lbb lbd lbe lbl lbp lbs lbt lda ldb ldd lde ldl ldp lds ldt lea leb led lee lel lep les let lla llb lld lle lll llp lls llt lpa lpb lpd lpe lpl lpp lps lpt lsa lsb lsd lse lsl lsp lss lst lta ltb ltd lte ltl ltp lts ltt p-p paa pab pad pae pal pap pas pat pba pbb pbd pbe pbl pbp pbs pbt pda pdb pdd pde pdl pdp pds pdt pea peb ped pee pel pep pes pet pla plb pld ple pll plp pls plt ppa ppb ppd ppe ppl ppp pps ppt ps- psa psb psd pse psl psp pss pst pt- pta ptb ptd pte ptl ptp pts ptt saa sab sad sae sal sap sas sat sba sbb sbd sbe sbl sbp sbs sbt sda sdb sdd sde sdl sdp sds sdt se- sea seb sed see sel sep ses set sla slb sld sle sll slp sls slt spa spb spd spe spl spp sps spt ss- ssa ssb ssd sse ssl ssp sss sst sta stb std ste stl stp sts stt taa tab tad tae tal tap tas tat tba tbb tbd tbe tbl tbp tbs tbt tda tdb tdd tde tdl tdp tds tdt te- tea teb ted tee tel tep tes tet tla tld tle tll tlp tls tlt tpa tpb tpd tpe tpl tpp tps tpt tsa tsb tsd tse tsl tsp tss tst tta ttb ttd tte ttl ttp tts ttt