-al a-a aaa aad aal aan aap ad- ada add adl adn adp al- ala ald all aln alp an- ana and anl ann anp ap- apa apd apl apn app daa dad dal dan dap dda ddd ddl ddn ddp dl- dla dld dll dlp dna dnd dnl dnn dnp dpa dpd dpl dpn dpp l-p la- laa lad lal lan lap lda ldd ldl ldn ldp lla lld lll lln llp lna lnd lnl lnn lnp lpa lpd lpl lpn lpp naa nad nal nan nap nda ndd ndl ndn ndp nla nld nll nln nlp nna nnl nnn nnp npa npd npl npn npp p-p paa pad pal pan pap pda pdd pdl pdn pdp pla pld pll pln plp pn- pna pnd pnl pnn pnp ppa ppd ppl ppn ppp