-al -ic a-a a-b a-c a-i aaa aab aac aai aak aal aap aas ab- aba abb abc abi abk abl abp abs ac- aca acb acc aci ack acl acp acs ai- aia aib aic aii aik ail aip ais aka akb akc aki akk akl akp aks al- ala alb alc ali alk all alp als ap- apa apb apc api apk apl app aps as- asa asb asc asi ask asl asp ass b-p baa bab bac bai bak bal bap bas bba bbb bbc bbi bbk bbl bbp bbs bca bcb bcc bci bck bcl bcp bcs bi- bia bib bic bii bik bil bip bis bka bkb bkc bkk bkl bkp bks bla blb blc bli blk bll blp bls bpa bpb bpc bpi bpl bpp bps bsa bsb bsc bsi bsk bsl bsp bss c-- caa cab cac cai cak cal cap cas cba cbb cbc cbi cbk cbl cbp cbs cca ccb ccc cci cck ccl ccp ccs ci- cia cib cic cii cik cil cip cis cka ckb ckc cki cks cl- cla clb clc cli clk cll clp cls cpa cpb cpc cpi cpk cpl cpp cps csa csb csc csi csk csl csp css ia- iaa iab iac iai ial iap ias iba ibb ibc ibi ibk ibl ibp ibs ica icb icc ici ick icl icp ics iia iib iic iii iil iip iis ika ikb ikc iki ikk ikl iks il- ila ilb ilc ili ilk ill ilp ils ipa ipb ipc ipi ipl ipp ips is- isa isb isc isi isk isl isp iss ka- kaa kab kac kai kak kal kap kas kba kbb kbc kbi kbk kbl kbp kbs kca kcb kcc kci kck kcl kcp kcs kia kib kic kii kik kil kip kis kkb kkc kki kkk kkl kkp kks kl- kla klb klc kli kls kpa kpc kpi kpk kpl kpp kps ksa ksb ksc ksi ksk ksl ksp kss l-p la- laa lab lac lai lak lal lap las lba lbb lbc lbi lbk lbl lbp lbs lca lcb lcc lci lck lcl lcp lcs lia lib lic lii lik lil lip lis lka lkb lkl lkp lks lla llb llc lli llk lll llp lls lpa lpb lpc lpi lpk lpl lpp lps lsa lsb lsc lsi lsk lsl lsp lss p-p paa pab pac pai pak pal pap pas pba pbb pbc pbi pbk pbl pbp pbs pca pcb pcc pci pck pcl pcp pcs pia pib pic pii pik pil pip pis pka pkb pkc pki pkl pkp pks pla plb plc pli plk pll plp pls ppa ppb ppc ppi ppk ppl ppp pps ps- psa psb psc psi psk psl psp pss saa sab sac sai sak sal sap sas sba sbb sbc sbi sbk sbl sbp sbs sca scb scc sci sck scl scp scs sia sib sic sii sik sil sip sis sk- ska skb skc ski skk skl skp sks sla slb slc sli slk sll slp sls spa spb spc spi spk spl spp sps ss- ssa ssb ssc ssi ssk ssl ssp sss