-al a-a a-b a-t aaa aab aae aak aal aap aas aat ab- aba abb abe abk abl abp abs abt aea aeb aee aek ael aep aes aet aka akb ake akk akl akp aks al- ala alb ale alk all alp als alt ap- apa apb ape apk apl app aps apt as- asa asb ase ask asl asp ass ast at- ata atb ate atl atp ats att b-p baa bab bae bak bal bap bas bat bba bbb bbe bbk bbl bbp bbs bbt be- bea beb bee bek bel bep bes bet bka bkb bke bkk bkl bkp bks bkt bla blb ble blk bll blp bls blt bpa bpb bpe bpl bpp bps bpt bsa bsb bse bsk bsl bsp bss bst bta btb bte btk btl btp bts btt eaa eab eae eak eal eap eas eat eba ebb ebe ebk ebl ebp ebs ebt eea eeb eee eek eel eep ees eet eka ekb eke ekl ekp eks ekt ela elb ele elk ell elp els elt ep- epa epb epe epl epp eps ept es- esa esb ese esk esl esp ess est eta etb ete etk etl etp ets ett k-t ka- kaa kab kae kak kal kap kas kat kba kbb kbe kbk kbl kbp kbs ke- kea keb kee kek kel kep kes ket kkb kke kkk kkl kkp kks kkt kl- kla klb kls klt kpa kpe kpk kpl kpp kps kpt ksa ksb kse ksk ksl ksp kss kst kta ktb kte ktk ktl ktp kts ktt l-p la- laa lab lae lak lal lap las lat lba lbb lbe lbk lbl lbp lbs lbt lea leb lee lek lel lep les let lka lkb lkl lkp lks lkt lla llb lle llk lll llp lls llt lpa lpb lpe lpk lpl lpp lps lpt lsa lsb lse lsk lsl lsp lss lst lta ltb lte ltk ltl ltp lts ltt p-p paa pab pae pak pal pap pas pat pba pbb pbe pbk pbl pbp pbs pbt pea peb pee pek pel pep pes pet pka pkb pke pkl pkp pks pkt pla plb ple plk pll plp pls plt ppa ppb ppe ppk ppl ppp pps ppt ps- psa psb pse psk psl psp pss pst pt- pta ptb pte ptk ptl ptp pts ptt saa sab sae sak sal sap sas sat sba sbb sbe sbk sbl sbp sbs sbt se- sea seb see sek sel sep ses set sk- ska skb ske skk skl skp sks skt sla slb sle slk sll slp sls slt spa spb spe spk spl spp sps spt ss- ssa ssb sse ssk ssl ssp sss sst sta stb ste stk stl stp sts stt taa tab tae tak tal tap tas tat tba tbb tbe tbk tbl tbp tbs tbt te- tea teb tee tek tel tep tes tet tka tkb tke tkk tkl tkp tks tkt tla tle tlk tll tlp tls tlt tpa tpb tpe tpk tpl tpp tps tpt tsa tsb tse tsk tsl tsp tss tst tta ttb tte ttk ttl ttp tts ttt