-al a-a a-b aaa aab aae aak aal aan aap ab- aba abb abe abk abl abn abp aea aeb aee aek ael aen aep aka akb ake akk akl akn akp al- ala alb ale alk all aln alp an- ana anb ane ank anl ann anp ap- apa apb ape apk apl apn app b-p baa bab bae bak bal ban bap bba bbb bbe bbk bbl bbn bbp be- bea beb bee bek bel ben bep bka bkb bke bkk bkl bkn bkp bla blb ble blk bll bln blp bna bnb bne bnk bnl bnn bnp bpa bpb bpe bpl bpn bpp eaa eab eae eak eal ean eap eba ebb ebe ebk ebl ebn ebp eea eeb eee eek eel een eep eka ekb eke ekl ekp ela elb ele elk ell eln elp en- ena enb ene enk enl enn enp ep- epa epb epe epl epn epp ka- kaa kab kae kak kal kan kap kba kbb kbe kbk kbl kbn kbp ke- kea keb kee kek kel ken kep kkb kke kkk kkl kkn kkp kl- kla klb kn- kna kne knk knl knn knp kpa kpe kpk kpl kpn kpp l-p la- laa lab lae lak lal lan lap lba lbb lbe lbk lbl lbp lea leb lee lek lel len lep lka lkb lkl lkp lla llb lle llk lll lln llp lna lnb lne lnk lnl lnn lnp lpa lpb lpe lpk lpl lpn lpp naa nab nae nak nal nan nap nba nbb nbe nbk nbl nbn nbp ne- nea neb nee nek nel nen nep nka nke nkk nkn nkp nla nlb nle nlk nll nln nlp nna nnb nne nnk nnl nnn nnp npa npb npe npl npn npp p-p paa pab pae pak pal pan pap pba pbb pbe pbk pbl pbn pbp pea peb pee pek pel pen pep pka pkb pke pkl pkn pkp pla plb ple plk pll pln plp pn- pna pnb pne pnk pnl pnn pnp ppa ppb ppe ppk ppl ppn ppp