-al -er a-a a-c aaa aac aae aak aal aan aap aar ac- aca acc ace ack acl acn acp acr aea aec aee aek ael aen aep aer aka akc ake akk akl akn akp akr al- ala alc ale alk all aln alp alr an- ana anc ane ank anl ann anp anr ap- apa apc ape apk apl apn app apr ar- ara arc are ark arl arn arp arr c-- caa cac cae cak cal can cap car cca ccc cce cck ccl ccn ccp ccr ce- cea cec cee cek cel cen cep cer cka ckc cl- cla clc cle clk cll cln clp clr cn- cna cnc cne cnl cnn cnp cnr cpa cpc cpe cpk cpl cpn cpp cpr cra crc cre crk crl crn crp crr eaa eac eae eak eal ean eap ear ec- eca ecc ece eck ecl ecn ecr eea eec eee eek eel een eep eer eka ekc eke ekl ekp ekr ela elc ele elk ell eln elp elr en- ena enc ene enk enl enn enp enr ep- epa epc epe epl epn epp epr era erc ere erk erl ern erp err ka- kaa kac kae kak kal kan kap kar kca kcc kce kck kcl kcn kcp kcr ke- kea kec kee kek kel ken kep ker kkc kke kkk kkl kkn kkp kkr kl- kla klc klr kn- kna knc kne knk knl knn knp knr kpa kpc kpe kpk kpl kpn kpp kpr kra krc krk krl krn krp krr l-p la- laa lac lae lak lal lan lap lar lca lcc lce lck lcl lcn lcp lcr lea lec lee lek lel len lep ler lka lkl lkp lkr lla llc lle llk lll lln llp llr lna lnc lne lnk lnl lnn lnp lnr lpa lpc lpe lpk lpl lpn lpp lpr lra lrc lrk lrn lrp lrr naa nac nae nak nal nan nap nar nca ncc nce nck ncl ncn ncp ncr ne- nea nec nee nek nel nen nep ner nka nkc nke nkk nkn nkp nkr nla nlc nle nlk nll nln nlp nlr nna nnc nne nnk nnl nnn nnp npa npc npe npl npn npp npr nra nrc nre nrk nrl nrn nrp nrr p-p paa pac pae pak pal pan pap par pca pcc pce pck pcl pcn pcp pcr pea pec pee pek pel pen pep per pka pkc pke pkl pkn pkp pkr pla plc ple plk pll pln plp plr pn- pna pnc pne pnk pnl pnn pnp pnr ppa ppc ppe ppk ppl ppn ppp ppr pra prc pre prk prl prn prp prr ra- raa rac rae rak ral ran rap rar rca rcc rce rcl rcn rcp rcr re- rea rec ree rek rel ren rep rer rkc rke rkk rkp rla rlc rle rll rln rlp rlr rna rnc rnn rnp rnr rpa rpc rpe rpk rpl rpn rpp rpr rra rrc rrk rrl rrn rrp rrr