-al -ol a-a a-c aaa aac aad aak aal aan aao aap ac- aca acc acd ack acl acn aco acp ad- ada adc add adk adl adn ado adp aka akc akd akk akl akn ako akp al- ala alc ald alk all aln alo alp an- ana anc and ank anl ann ano anp aoa aoc aod aok aol aon aoo aop ap- apa apc apd apk apl apn apo app c-- caa cac cad cak cal can cao cap cca ccc ccd cck ccl ccn cco ccp cda cdc cdd cdk cdl cdn cdo cdp cka ckc ckd cko cl- cla clc cld clk cll cln clo clp cn- cna cnc cnd cnl cnn cno cnp co- coa coc cod cok col con coo cop cpa cpc cpd cpk cpl cpn cpo cpp daa dac dad dak dal dan dao dap dca dcc dcd dck dcl dcn dco dcp dda ddc ddd ddk ddl ddn ddo ddp dka dkc dkk dkl dko dkp dl- dla dlc dld dlk dll dlo dlp dna dnc dnd dnk dnl dnn dno dnp doa doc dod dok dol don doo dop dpa dpc dpd dpk dpl dpn dpo dpp ka- kaa kac kad kak kal kan kao kap kca kcc kcd kck kcl kcn kcp kda kdc kdk kdl kdo kdp kkc kkk kkl kkn kkp kl- kla klc kld klo kn- kna knc knd knk knl knn kno knp koa koc kod kok kol kon koo kop kpa kpc kpd kpk kpl kpn kpo kpp l-p la- laa lac lad lak lal lan lao lap lca lcc lcd lck lcl lcn lco lcp lda ldc ldd ldk ldl ldn ldo ldp lka lkl lkp lla llc lld llk lll lln llo llp lna lnc lnd lnk lnl lnn lno lnp loa loc lod lok lol lon loo lop lpa lpc lpd lpk lpl lpn lpo lpp naa nac nad nak nal nan nao nap nca ncc ncd nck ncl ncn nco ncp nda ndc ndd ndk ndl ndn ndo ndp nka nkc nkk nkn nko nkp nla nlc nld nlk nll nln nlo nlp nna nnc nnk nnl nnn nno nnp no- noa noc nod nok nol non noo nop npa npc npd npl npn npo npp oaa oac oad oak oal oan oao oap oc- oca occ ocd ock ocl ocn oco ocp oda odc odd odl odn odo odp oka okc okd okk okl oko okp ola olc old olk oll oln olo olp on- ona onc ond onk onl onn ono onp oo- ooa ooc ood ook ool oon ooo oop op- opa opc opd opk opl opn opo opp p-p paa pac pad pak pal pan pao pap pca pcc pcd pck pcl pcn pco pcp pda pdc pdd pdk pdl pdn pdo pdp pka pkc pkd pkl pkn pko pkp pla plc pld plk pll pln plo plp pn- pna pnc pnd pnk pnl pnn pno pnp poa poc pod pok pol pon poo pop ppa ppc ppd ppk ppl ppn ppo ppp