-al -ol a-a a-b aaa aab aad aae aaf aal aan aao aap ab- aba abb abd abe abf abl abn abo abp ad- ada adb add ade adf adl adn ado adp aea aeb aed aee aef ael aen aeo aep af- afa afb afd afe aff afl afn afo afp al- ala alb ald ale alf all aln alo alp an- ana anb and ane anf anl ann ano anp aoa aob aod aoe aof aol aon aoo aop ap- apa apb apd ape apf apl apn apo app b-p baa bab bad bae baf bal ban bao bap bba bbb bbd bbe bbf bbl bbn bbo bbp bda bdb bdd bde bdf bdl bdo bdp be- bea beb bed bee bef bel ben beo bep bfa bfb bfd bfe bff bfl bfn bfo bfp bla blb bld ble blf bll bln blo blp bna bnb bnd bne bnf bnl bnn bno bnp boa bob bod boe bof bol bon boo bop bpa bpb bpd bpe bpf bpl bpn bpo bpp daa dab dad dae daf dal dan dao dap dba dbb dbd dbe dbf dbl dbn dbo dbp dda ddb ddd dde ddf ddl ddn ddo ddp de- dea deb ded dee def del den deo dep dfa dfb dfd dfe dff dfl dfn dfo dfp dl- dla dlb dld dle dlf dll dlo dlp dna dnb dnd dne dnf dnl dnn dno dnp doa dob dod doe dof dol don doo dop dpa dpb dpd dpe dpf dpl dpn dpo dpp eaa eab ead eae eaf eal ean eao eap eba ebb ebd ebe ebf ebl ebn ebo ebp ed- eda edb edd ede edf edl edn edo edp eea eeb eed eee eef eel een eeo eep ef- efa efb efd efe eff efl efo efp ela elb eld ele elf ell eln elo elp en- ena enb end ene enf enl enn eno enp eo- eoa eob eod eoe eof eol eon eoo eop ep- epa epb epd epe epf epl epn epo epp faa fab fad fae faf fal fan fao fap fba fbb fbd fbe fbf fbl fbn fbo fbp fda fdb fdd fde fdf fdl fdn fdo fdp fea feb fed fee fef fel fen feo fep ffa ffd ffe fff ffl ffn ffo ffp fla flb fld fle flf fll fln flo flp fna fnb fnd fne fnf fnl fnn fnp foa fob foe fof fol fon foo fop fpa fpb fpd fpe fpl fpn fpo fpp l-p la- laa lab lad lae laf lal lan lao lap lba lbb lbd lbe lbf lbl lbo lbp lda ldb ldd lde ldf ldl ldn ldo ldp lea leb led lee lef lel len leo lep lfa lfb lfd lfe lff lfl lfn lfo lfp lla llb lld lle llf lll lln llo llp lna lnb lnd lne lnl lnn lno lnp loa lob lod loe lof lol lon loo lop lpa lpb lpd lpe lpf lpl lpn lpo lpp naa nab nad nae naf nal nan nao nap nba nbb nbd nbe nbf nbl nbn nbo nbp nda ndb ndd nde ndf ndl ndn ndo ndp ne- nea neb ned nee nef nel nen neo nep nfa nfb nfd nfe nff nfl nfn nfo nfp nla nlb nld nle nlf nll nln nlo nlp nna nnb nne nnf nnl nnn nno nnp no- noa nob nod noe nof nol non noo nop npa npb npd npe npf npl npn npo npp oaa oab oad oae oaf oal oan oao oap ob- oba obb obd obe obf obl obn obo obp oda odb odd ode odf odl odn odo odp oea oeb oed oee oef oel oen oeo oep of- ofa ofb ofd ofe off ofl ofn ofo ofp ola olb old ole olf oll oln olo olp on- ona onb ond one onf onl onn ono onp oo- ooa oob ood oof ool oon ooo oop op- opa opb opd ope opf opl opn opo opp p-p paa pab pad pae paf pal pan pao pap pba pbb pbd pbe pbf pbl pbn pbo pbp pda pdb pdd pde pdf pdl pdn pdo pdp pea peb ped pee pef pel pen peo pep pfa pfb pfd pfe pff pfl pfn pfo pfp pla plb pld ple plf pll pln plo plp pn- pna pnb pnd pne pnf pnl pnn pno pnp poa pob pod poe pof pol pon poo pop ppa ppb ppd ppe ppf ppl ppn ppo ppp