-al -ic a-a a-b a-c a-i aaa aab aac aae aai aak aal aan aap ab- aba abb abc abe abi abk abl abn abp ac- aca acb acc ace aci ack acl acn acp aea aeb aec aee aei aek ael aen aep ai- aia aib aic aie aii aik ail ain aip aka akb akc ake aki akk akl akn akp al- ala alb alc ale ali alk all aln alp an- ana anb anc ane ani ank anl ann anp ap- apa apb apc ape api apk apl apn app b-p baa bab bac bae bai bak bal ban bap bba bbb bbc bbe bbi bbk bbl bbn bbp bca bcb bcc bce bci bck bcl bcn bcp be- bea beb bec bee bei bek bel ben bep bi- bia bib bic bie bii bik bil bin bip bka bkb bkc bke bkk bkl bkn bkp bla blb blc ble bli blk bll bln blp bna bnb bnc bne bni bnk bnl bnn bnp bpa bpb bpc bpe bpi bpl bpn bpp c-- caa cab cac cae cai cak cal can cap cba cbb cbc cbe cbi cbk cbl cbn cbp cca ccb ccc cce cci cck ccl ccn ccp ce- cea ceb cec cee cei cek cel cen cep ci- cia cib cic cie cii cik cil cin cip cka ckb ckc cki cl- cla clb clc cle cli clk cll cln clp cn- cna cnb cnc cne cni cnl cnn cnp cpa cpb cpc cpe cpi cpk cpl cpn cpp eaa eab eac eae eai eak eal ean eap eba ebb ebc ebe ebi ebk ebl ebn ebp ec- eca ecb ecc ece eci eck ecl ecn eea eeb eec eee eek eel een eep eia eib eic eie eii eik eil ein eip eka ekb ekc eke eki ekl ekp ela elb elc ele eli elk ell eln elp en- ena enb enc ene eni enk enl enn enp ep- epa epb epc epe epi epl epn epp ia- iaa iab iac iae iai ial ian iap iba ibb ibc ibe ibi ibk ibl ibn ibp ica icb icc ice ici ick icl icn icp ie- iea iec iee iei iek iel ien iep iia iib iic iie iii iil iin iip ika ikb ikc ike iki ikk ikl il- ila ilb ilc ile ili ilk ill iln ilp in- ina inb inc ine ini ink inl inn inp ipa ipb ipc ipe ipi ipl ipn ipp ka- kaa kab kac kae kai kak kal kan kap kba kbb kbc kbe kbi kbk kbl kbn kbp kca kcb kcc kce kci kck kcl kcn kcp ke- kea keb kec kee kei kek kel ken kep kia kib kic kie kii kik kil kin kip kkb kkc kke kki kkk kkl kkn kkp kl- kla klb klc kli kn- kna knc kne kni knk knl knn knp kpa kpc kpe kpi kpk kpl kpn kpp l-p la- laa lab lac lae lai lak lal lan lap lba lbb lbc lbe lbi lbk lbl lbp lca lcb lcc lce lci lck lcl lcn lcp lea leb lec lee lei lek lel len lep lia lib lic lie lii lik lil lin lip lka lkb lkl lkp lla llb llc lle lli llk lll lln llp lna lnb lnc lne lni lnk lnl lnn lnp lpa lpb lpc lpe lpi lpk lpl lpn lpp n-i naa nab nac nae nai nak nal nan nap nba nbb nbc nbe nbi nbk nbl nbn nbp nca ncb ncc nce nci nck ncl ncn ncp ne- nea neb nec nee nei nek nel nen nep nia nib nic nie nii nik nil nin nip nka nkc nke nki nkk nkn nkp nla nlb nlc nle nli nlk nll nln nlp nna nnb nnc nne nni nnk nnl nnn nnp npa npb npc npe npi npl npn npp p-p paa pab pac pae pai pak pal pan pap pba pbb pbc pbe pbi pbk pbl pbn pbp pca pcb pcc pce pci pck pcl pcn pcp pea peb pec pee pei pek pel pen pep pia pib pic pie pii pik pil pin pip pka pkb pkc pke pki pkl pkn pkp pla plb plc ple pli plk pll pln plp pn- pna pnb pnc pne pni pnk pnl pnn pnp ppa ppb ppc ppe ppi ppk ppl ppn ppp