-al -ol a-a a-c a-t aaa aac aae aaf aal aan aao aap aat ac- aca acc ace acf acl acn aco acp act aea aec aee aef ael aen aeo aep aet af- afa afc afe aff afl afn afo afp aft al- ala alc ale alf all aln alo alp alt an- ana anc ane anf anl ann ano anp ant aoa aoc aoe aof aol aon aoo aop aot ap- apa apc ape apf apl apn apo app apt at- ata atc ate atf atl atn ato atp att c-- caa cac cae caf cal can cao cap cat cca ccc cce ccf ccl ccn cco ccp cct ce- cea cec cee cef cel cen ceo cep cet cfa cfc cfe cff cfl cfn cfo cfp cft cl- cla clc cle clf cll cln clo clp clt cn- cna cnc cne cnf cnl cnn cno cnp cnt co- coa coc coe cof col con coo cop cot cpa cpc cpe cpf cpl cpn cpo cpp cpt cta ctc cte ctf ctl ctn cto ctp ctt eaa eac eae eaf eal ean eao eap eat ec- eca ecc ece ecf ecl ecn eco ect eea eec eee eef eel een eeo eep eet ef- efa efc efe eff efl efo efp eft ela elc ele elf ell eln elo elp elt en- ena enc ene enf enl enn eno enp ent eo- eoa eoc eoe eof eol eon eoo eop eot ep- epa epc epe epf epl epn epo epp ept eta etc ete etf etl etn eto etp ett faa fac fae faf fal fan fao fap fat fca fcc fce fcf fcl fcn fco fcp fct fea fec fee fef fel fen feo fep fet ffa ffc ffe fff ffl ffn ffo ffp fft fla flc fle flf fll fln flo flp flt fna fnc fne fnf fnl fnn fnp fnt foa foc foe fof fol fon foo fop fot fpa fpc fpe fpl fpn fpo fpp fpt fta ftc fte ftf ftl ftn fto ftp ftt l-p la- laa lac lae laf lal lan lao lap lat lca lcc lce lcf lcl lcn lco lcp lct lea lec lee lef lel len leo lep let lfa lfc lfe lff lfl lfn lfo lfp lft lla llc lle llf lll lln llo llp llt lna lnc lne lnl lnn lno lnp lnt loa loc loe lof lol lon loo lop lot lpa lpc lpe lpf lpl lpn lpo lpp lpt lta ltc lte ltf ltl lto ltp ltt naa nac nae naf nal nan nao nap nat nca ncc nce ncf ncl ncn nco ncp nct ne- nea nec nee nef nel nen neo nep net nfa nfc nfe nff nfl nfn nfo nfp nft nla nlc nle nlf nll nln nlo nlp nlt nna nnc nne nnf nnl nnn nno nnp nnt no- noa noc noe nof nol non noo nop not npa npc npe npf npl npn npo npp npt nta ntc nte ntf ntn nto ntp ntt oaa oac oae oaf oal oan oao oap oat oc- oca occ ocf ocl ocn oco ocp oct oea oec oee oef oel oen oeo oep oet of- ofa ofc ofe off ofl ofn ofo ofp oft ola olc ole olf oll oln olo olp olt on- ona onc one onf onl onn ono onp ont oo- ooa ooc oof ool oon ooo oop oot op- opa opc ope opf opl opn opo opp opt ot- ota otc ote otf otl otn oto otp ott p-p paa pac pae paf pal pan pao pap pat pca pcc pce pcf pcl pcn pco pcp pct pea pec pee pef pel pen peo pep pet pfa pfc pfe pff pfl pfn pfo pfp pft pla plc ple plf pll pln plo plp plt pn- pna pnc pne pnf pnl pnn pno pnp pnt poa poc poe pof pol pon poo pop pot ppa ppc ppe ppf ppl ppn ppo ppp ppt pt- pta ptc pte ptf ptl ptn pto ptp ptt taa tac tae taf tal tan tao tap tat tca tcc tce tcf tcl tcn tco tcp tct te- tea tec tee tef tel ten teo tep tet tfa tfc tfe tff tfl tfn tfo tfp tft tla tlc tle tlf tll tln tlo tlp tlt tna tnc tne tnf tnl tnn tno tnp tnt to- toa toc toe tof tol ton too top tot tpa tpc tpe tpf tpl tpn tpo tpp tpt tta ttc tte ttf ttl ttn tto ttp ttt