-al -ol a-a aaa aad aaf aal aan aao aap ad- ada add adf adl adn ado adp af- afa afd aff afl afn afo afp al- ala ald alf all aln alo alp an- ana and anf anl ann ano anp aoa aod aof aol aon aoo aop ap- apa apd apf apl apn apo app daa dad daf dal dan dao dap dda ddd ddf ddl ddn ddo ddp dfa dfd dff dfl dfn dfo dfp dl- dla dld dlf dll dlo dlp dna dnd dnf dnl dnn dno dnp doa dod dof dol don doo dop dpa dpd dpf dpl dpn dpo dpp faa fad faf fal fan fao fap fda fdd fdf fdl fdn fdo fdp ffa ffd fff ffl ffn ffo ffp fla fld flf fll fln flo flp fna fnd fnf fnl fnn fnp foa fof fol fon foo fop fpa fpd fpl fpn fpo fpp l-p la- laa lad laf lal lan lao lap lda ldd ldf ldl ldn ldo ldp lfa lfd lff lfl lfn lfo lfp lla lld llf lll lln llo llp lna lnd lnl lnn lno lnp loa lod lof lol lon loo lop lpa lpd lpf lpl lpn lpo lpp naa nad naf nal nan nao nap nda ndd ndf ndl ndn ndo ndp nfa nfd nff nfl nfn nfo nfp nla nld nlf nll nln nlo nlp nna nnf nnl nnn nno nnp no- noa nod nof nol non noo nop npa npd npf npl npn npo npp oaa oad oaf oal oan oao oap oda odd odf odl odn odo odp of- ofa ofd off ofl ofn ofo ofp ola old olf oll oln olo olp on- ona ond onf onl onn ono onp oo- ooa ood oof ool oon ooo oop op- opa opd opf opl opn opo opp p-p paa pad paf pal pan pao pap pda pdd pdf pdl pdn pdo pdp pfa pfd pff pfl pfn pfo pfp pla pld plf pll pln plo plp pn- pna pnd pnf pnl pnn pno pnp poa pod pof pol pon poo pop ppa ppd ppf ppl ppn ppo ppp