-al -ic -ol a-a a-b a-c a-i aaa aab aac aae aai aal aao aap aas ab- aba abb abc abe abi abl abo abp abs ac- aca acb acc ace aci acl aco acp acs aea aeb aec aee aei ael aeo aep aes ai- aia aib aic aie aii ail aio aip ais al- ala alb alc ale ali all alo alp als aoa aob aoc aoe aoi aol aoo aop aos ap- apa apb apc ape api apl apo app aps as- asa asb asc ase asi asl aso asp ass b-p baa bab bac bae bai bal bao bap bas bba bbb bbc bbe bbi bbl bbo bbp bbs bca bcb bcc bce bci bcl bco bcp bcs be- bea beb bec bee bei bel beo bep bes bi- bia bib bic bie bii bil bio bip bis bla blb blc ble bli bll blo blp bls boa bob boc boe boi bol boo bop bos bpa bpb bpc bpe bpi bpl bpo bpp bps bsa bsb bsc bse bsi bsl bso bsp bss c-- caa cab cac cae cai cal cao cap cas cba cbb cbc cbe cbi cbl cbo cbp cbs cca ccb ccc cce cci ccl cco ccp ccs ce- cea ceb cec cee cei cel ceo cep ces ci- cia cib cic cie cii cil cio cip cis cl- cla clb clc cle cli cll clo clp cls co- coa cob coc coe coi col coo cop cos cpa cpb cpc cpe cpi cpl cpo cpp cps csa csb csc cse csi csl cso csp css eaa eab eac eae eai eal eao eap eas eba ebb ebc ebe ebi ebl ebo ebp ebs ec- eca ecb ecc ece eci ecl eco ecs eea eeb eec eee eel eeo eep ees eia eib eic eie eii eil eio eip eis ela elb elc ele eli ell elo elp els eo- eoa eob eoc eoe eoi eol eoo eop eos ep- epa epb epc epe epi epl epo epp eps es- esa esb esc ese esi esl eso esp ess ia- iaa iab iac iae iai ial iao iap ias iba ibb ibc ibe ibi ibl ibo ibp ibs ica icb icc ice ici icl ico icp ics ie- iea iec iee iei iel iep ies iia iib iic iie iii iil iio iip iis il- ila ilb ilc ile ili ill ilo ilp ils io- ioa iob ioc ioe ioi iol ioo iop ios ipa ipb ipc ipe ipi ipl ipo ipp ips is- isa isb isc ise isi isl iso isp iss l-p la- laa lab lac lae lai lal lao lap las lba lbb lbc lbe lbi lbl lbo lbp lbs lca lcb lcc lce lci lcl lco lcp lcs lea leb lec lee lei lel leo lep les lia lib lic lie lii lil lio lip lis lla llb llc lle lli lll llo llp lls loa lob loc loe loi lol loo lop los lpa lpb lpc lpe lpi lpl lpo lpp lps lsa lsb lsc lse lsi lsl lso lsp lss o-i oaa oab oac oae oai oal oao oap oas ob- oba obb obc obe obi obl obo obp obs oc- oca ocb occ oci ocl oco ocp ocs oea oeb oec oee oei oel oeo oep oes oia oib oic oie oii oil oio oip ois ola olb olc ole oli oll olo olp ols oo- ooa oob ooc ooi ool ooo oop oos op- opa opb opc ope opi opl opo opp ops os- osa osb osc ose osi osl oso osp oss p-p paa pab pac pae pai pal pao pap pas pba pbb pbc pbe pbi pbl pbo pbp pbs pca pcb pcc pce pci pcl pco pcp pcs pea peb pec pee pei pel peo pep pes pia pib pic pie pii pil pio pip pis pla plb plc ple pli pll plo plp pls poa pob poc poe poi pol poo pop pos ppa ppb ppc ppe ppi ppl ppo ppp pps ps- psa psb psc pse psi psl pso psp pss saa sab sac sae sai sal sao sap sas sba sbb sbc sbe sbi sbl sbo sbp sbs sca scb scc sce sci scl sco scp scs se- sea seb sec see sei sel seo sep ses sia sib sic sie sii sil sio sip sis sla slb slc sle sli sll slo slp sls soa sob soc soe soi sol soo sop sos spa spb spc spe spi spl spo spp sps ss- ssa ssb ssc sse ssi ssl sso ssp sss