-al a-a a-b a-t aaa aab aal aan aap aas aat ab- aba abb abl abn abp abs abt al- ala alb all aln alp als alt an- ana anb anl ann anp ans ant ap- apa apb apl apn app aps apt as- asa asb asl asn asp ass ast at- ata atb atl atn atp ats att b-p baa bab bal ban bap bas bat bba bbb bbl bbn bbp bbs bbt bla blb bll bln blp bls blt bna bnb bnl bnn bnp bns bnt bpa bpb bpl bpn bpp bps bpt bsa bsb bsl bsn bsp bss bst bta btb btl btn btp bts btt l-p la- laa lab lal lan lap las lat lba lbb lbl lbp lbs lbt lla llb lll lln llp lls llt lna lnb lnl lnn lnp lns lnt lpa lpb lpl lpn lpp lps lpt lsa lsb lsl lsn lsp lss lst lta ltb ltl ltp lts ltt naa nab nal nan nap nas nat nba nbb nbl nbn nbp nbs nbt nla nlb nll nln nlp nls nlt nna nnb nnl nnn nnp nns nnt npa npb npl npn npp nps npt nsa nsb nsl nsn nsp nss nst nta ntb ntn ntp nts ntt p-p paa pab pal pan pap pas pat pba pbb pbl pbn pbp pbs pbt pla plb pll pln plp pls plt pn- pna pnb pnl pnn pnp pns pnt ppa ppb ppl ppn ppp pps ppt ps- psa psb psl psn psp pss pst pt- pta ptb ptl ptn ptp pts ptt saa sab sal san sap sas sat sba sbb sbl sbn sbp sbs sbt sla slb sll sln slp sls slt sna snb snl snn snp sns snt spa spb spl spn spp sps spt ss- ssa ssb ssl ssn ssp sss sst sta stb stl stn stp sts stt taa tab tal tan tap tas tat tba tbb tbl tbn tbp tbs tbt tla tll tln tlp tls tlt tna tnb tnl tnn tnp tns tnt tpa tpb tpl tpn tpp tps tpt tsa tsb tsl tsn tsp tss tst tta ttb ttl ttn ttp tts ttt