-al -ic a-a a-b a-c a-i aaa aab aac aai aal aap ab- aba abb abc abi abl abp ac- aca acb acc aci acl acp ai- aia aib aic aii ail aip al- ala alb alc ali all alp ap- apa apb apc api apl app b-p baa bab bac bai bal bap bba bbb bbc bbi bbl bbp bca bcb bcc bci bcl bcp bi- bia bib bic bii bil bip bla blb blc bli bll blp bpa bpb bpc bpi bpl bpp c-- caa cab cac cai cal cap cba cbb cbc cbi cbl cbp cca ccb ccc cci ccl ccp ci- cia cib cic cii cil cip cl- cla clb clc cli cll clp cpa cpb cpc cpi cpl cpp ia- iaa iab iac iai ial iap iba ibb ibc ibi ibl ibp ica icb icc ici icl icp iia iib iic iii iil iip il- ila ilb ilc ili ill ilp ipa ipb ipc ipi ipl ipp l-p la- laa lab lac lai lal lap lba lbb lbc lbi lbl lbp lca lcb lcc lci lcl lcp lia lib lic lii lil lip lla llb llc lli lll llp lpa lpb lpc lpi lpl lpp p-p paa pab pac pai pal pap pba pbb pbc pbi pbl pbp pca pcb pcc pci pcl pcp pia pib pic pii pil pip pla plb plc pli pll plp ppa ppb ppc ppi ppl ppp