-al -ic -ol a-a a-b a-c a-i aaa aab aac aai aal aao aap ab- aba abb abc abi abl abo abp ac- aca acb acc aci acl aco acp ai- aia aib aic aii ail aio aip al- ala alb alc ali all alo alp aoa aob aoc aoi aol aoo aop ap- apa apb apc api apl apo app b-p baa bab bac bai bal bao bap bba bbb bbc bbi bbl bbo bbp bca bcb bcc bci bcl bco bcp bi- bia bib bic bii bil bio bip bla blb blc bli bll blo blp boa bob boc boi bol boo bop bpa bpb bpc bpi bpl bpo bpp c-- caa cab cac cai cal cao cap cba cbb cbc cbi cbl cbo cbp cca ccb ccc cci ccl cco ccp ci- cia cib cic cii cil cio cip cl- cla clb clc cli cll clo clp co- coa cob coc coi col coo cop cpa cpb cpc cpi cpl cpo cpp ia- iaa iab iac iai ial iao iap iba ibb ibc ibi ibl ibo ibp ica icb icc ici icl ico icp iia iib iic iii iil iio iip il- ila ilb ilc ili ill ilo ilp io- ioa iob ioc ioi iol ioo iop ipa ipb ipc ipi ipl ipo ipp l-p la- laa lab lac lai lal lao lap lba lbb lbc lbi lbl lbo lbp lca lcb lcc lci lcl lco lcp lia lib lic lii lil lio lip lla llb llc lli lll llo llp loa lob loc loi lol loo lop lpa lpb lpc lpi lpl lpo lpp o-i oaa oab oac oai oal oao oap ob- oba obb obc obi obl obo obp oc- oca ocb occ oci ocl oco ocp oia oib oic oii oil oio oip ola olb olc oli oll olo olp oo- ooa oob ooc ooi ool ooo oop op- opa opb opc opi opl opo opp p-p paa pab pac pai pal pao pap pba pbb pbc pbi pbl pbo pbp pca pcb pcc pci pcl pco pcp pia pib pic pii pil pio pip pla plb plc pli pll plo plp poa pob poc poi pol poo pop ppa ppb ppc ppi ppl ppo ppp