-al a-a a-b a-t aaa aab aae aal aam aap aas aat ab- aba abb abe abl abm abp abs abt aea aeb aee ael aem aep aes aet al- ala alb ale all alm alp als alt ama amb ame aml amm amp ams amt ap- apa apb ape apl apm app aps apt as- asa asb ase asl asm asp ass ast at- ata atb ate atl atm atp ats att b-p baa bab bae bal bam bap bas bat bba bbb bbe bbl bbm bbp bbs bbt be- bea beb bee bel bem bep bes bet bla blb ble bll blm blp bls blt bma bmb bme bml bmm bmp bms bmt bpa bpb bpe bpl bpm bpp bps bpt bsa bsb bse bsl bsm bsp bss bst bta btb bte btl btm btp bts btt eaa eab eae eal eam eap eas eat eba ebb ebe ebl ebm ebp ebs ebt eea eeb eee eel eem eep ees eet ela elb ele ell elm elp els elt em- ema emb eme eml emm emp ems emt ep- epa epb epe epl epm epp eps ept es- esa esb ese esl esm esp ess est eta etb ete etl etm etp ets ett l-p la- laa lab lae lal lam lap las lat lba lbb lbe lbl lbm lbp lbs lbt lea leb lee lel lem lep les let lla llb lle lll llm llp lls llt lma lmb lme lml lmm lmp lms lmt lpa lpb lpe lpl lpm lpp lps lpt lsa lsb lse lsl lsm lsp lss lst lta ltb lte ltl ltm ltp lts ltt maa mab mae mal mam map mas mat mba mbb mbe mbl mbm mbp mbs mbt mea meb mee mel mem mep mes met mla mlb mle mll mlm mlp mls mlt mma mmb mme mml mmm mmp mms mmt mpa mpb mpe mpl mpm mpp mps mpt msa msb mse msl msm msp mss mst mta mtb mte mtl mtm mtp mts mtt p-p paa pab pae pal pam pap pas pat pba pbb pbe pbl pbm pbp pbs pbt pea peb pee pel pem pep pes pet pla plb ple pll plm plp pls plt pma pmb pme pml pmm pmp pms pmt ppa ppb ppe ppl ppm ppp pps ppt ps- psa psb pse psl psm psp pss pst pt- pta ptb pte ptl ptm ptp pts ptt saa sab sae sal sam sap sas sat sba sbb sbe sbl sbm sbp sbs sbt se- sea seb see sel sem sep ses set sla slb sle sll slm slp sls slt sma smb sme sml smm smp sms smt spa spb spe spl spm spp sps spt ss- ssa ssb sse ssl ssm ssp sss sst sta stb ste stl stm stp sts stt taa tab tae tal tam tap tas tat tba tbb tbe tbl tbm tbp tbs tbt te- tea teb tee tel tem tep tes tet tla tle tll tlm tlp tls tlt tma tmb tme tml tmm tmp tms tmt tpa tpb tpe tpl tpm tpp tps tpt tsa tsb tse tsl tsm tsp tss tst tta ttb tte ttl ttm ttp tts ttt