-al -er -ic a-a a-c a-i aaa aac aae aai aak aal aap aar ac- aca acc ace aci ack acl acp acr aea aec aee aei aek ael aep aer ai- aia aic aie aii aik ail aip air aka akc ake aki akk akl akp akr al- ala alc ale ali alk all alp alr ap- apa apc ape api apk apl app apr ar- ara arc are ari ark arl arp arr c-- caa cac cae cai cak cal cap car cca ccc cce cci cck ccl ccp ccr ce- cea cec cee cei cek cel cep cer ci- cia cic cie cii cik cil cip cir cka ckc cki cl- cla clc cle cli clk cll clp clr cpa cpc cpe cpi cpk cpl cpp cpr cra crc cre cri crk crl crp crr eaa eac eae eai eak eal eap ear ec- eca ecc ece eci eck ecl ecr eea eec eee eek eel eep eer eia eic eie eii eik eil eip eir eka ekc eke eki ekl ekp ekr ela elc ele eli elk ell elp elr ep- epa epc epe epi epl epp epr era erc ere eri erk erl erp err ia- iaa iac iae iai ial iap iar ica icc ice ici ick icl icp icr ie- iea iec iee iei iek iel iep ier iia iic iie iii iil iip iir ika ikc ike iki ikk ikl ikr il- ila ilc ile ili ilk ill ilp ilr ipa ipc ipe ipi ipl ipp ipr ir- ira irc ire iri irk irl irp irr ka- kaa kac kae kai kak kal kap kar kca kcc kce kci kck kcl kcp kcr ke- kea kec kee kei kek kel kep ker kia kic kie kii kik kil kip kir kkc kke kki kkk kkl kkp kkr kl- kla klc kli klr kpa kpc kpe kpi kpk kpl kpp kpr kra krc kri krk krl krp krr l-p la- laa lac lae lai lak lal lap lar lca lcc lce lci lck lcl lcp lcr lea lec lee lei lek lel lep ler lia lic lie lii lik lil lip lir lka lkl lkp lkr lla llc lle lli llk lll llp llr lpa lpc lpe lpi lpk lpl lpp lpr lra lrc lri lrk lrp lrr p-p paa pac pae pai pak pal pap par pca pcc pce pci pck pcl pcp pcr pea pec pee pei pek pel pep per pia pic pie pii pik pil pip pir pka pkc pke pki pkl pkp pkr pla plc ple pli plk pll plp plr ppa ppc ppe ppi ppk ppl ppp ppr pra prc pre pri prk prl prp prr ra- raa rac rae rai rak ral rap rar rca rcc rce rci rcl rcp rcr re- rea rec ree rei rek rel rep rer ria ric rie rii rik ril rip rir rkc rke rkk rkp rla rlc rle rli rll rlp rlr rpa rpc rpe rpi rpk rpl rpp rpr rra rrc rri rrk rrl rrp rrr