-al -ol a-a a-c aaa aac aad aal aan aao aap ac- aca acc acd acl acn aco acp ad- ada adc add adl adn ado adp al- ala alc ald all aln alo alp an- ana anc and anl ann ano anp aoa aoc aod aol aon aoo aop ap- apa apc apd apl apn apo app c-- caa cac cad cal can cao cap cca ccc ccd ccl ccn cco ccp cda cdc cdd cdl cdn cdo cdp cl- cla clc cld cll cln clo clp cn- cna cnc cnd cnl cnn cno cnp co- coa coc cod col con coo cop cpa cpc cpd cpl cpn cpo cpp daa dac dad dal dan dao dap dca dcc dcd dcl dcn dco dcp dda ddc ddd ddl ddn ddo ddp dl- dla dlc dld dll dlo dlp dna dnc dnd dnl dnn dno dnp doa doc dod dol don doo dop dpa dpc dpd dpl dpn dpo dpp l-p la- laa lac lad lal lan lao lap lca lcc lcd lcl lcn lco lcp lda ldc ldd ldl ldn ldo ldp lla llc lld lll lln llo llp lna lnc lnd lnl lnn lno lnp loa loc lod lol lon loo lop lpa lpc lpd lpl lpn lpo lpp naa nac nad nal nan nao nap nca ncc ncd ncl ncn nco ncp nda ndc ndd ndl ndn ndo ndp nla nlc nld nll nln nlo nlp nna nnc nnl nnn nno nnp no- noa noc nod nol non noo nop npa npc npd npl npn npo npp oaa oac oad oal oan oao oap oc- oca occ ocd ocl ocn oco ocp oda odc odd odl odn odo odp ola olc old oll oln olo olp on- ona onc ond onl onn ono onp oo- ooa ooc ood ool oon ooo oop op- opa opc opd opl opn opo opp p-p paa pac pad pal pan pao pap pca pcc pcd pcl pcn pco pcp pda pdc pdd pdl pdn pdo pdp pla plc pld pll pln plo plp pn- pna pnc pnd pnl pnn pno pnp poa poc pod pol pon poo pop ppa ppc ppd ppl ppn ppo ppp