-al -ic -ol a-a a-b a-c a-i aaa aab aac aai aal aan aao aap aas ab- aba abb abc abi abl abn abo abp abs ac- aca acb acc aci acl acn aco acp acs ai- aia aib aic aii ail ain aio aip ais al- ala alb alc ali all aln alo alp als an- ana anb anc ani anl ann ano anp ans aoa aob aoc aoi aol aon aoo aop aos ap- apa apb apc api apl apn apo app aps as- asa asb asc asi asl asn aso asp ass b-p baa bab bac bai bal ban bao bap bas bba bbb bbc bbi bbl bbn bbo bbp bbs bca bcb bcc bci bcl bcn bco bcp bcs bi- bia bib bic bii bil bin bio bip bis bla blb blc bli bll bln blo blp bls bna bnb bnc bni bnl bnn bno bnp bns boa bob boc boi bol bon boo bop bos bpa bpb bpc bpi bpl bpn bpo bpp bps bsa bsb bsc bsi bsl bsn bso bsp bss c-- caa cab cac cai cal can cao cap cas cba cbb cbc cbi cbl cbn cbo cbp cbs cca ccb ccc cci ccl ccn cco ccp ccs ci- cia cib cic cii cil cin cio cip cis cl- cla clb clc cli cll cln clo clp cls cn- cna cnb cnc cni cnl cnn cno cnp cns co- coa cob coc coi col con coo cop cos cpa cpb cpc cpi cpl cpn cpo cpp cps csa csb csc csi csl csn cso csp css ia- iaa iab iac iai ial ian iao iap ias iba ibb ibc ibi ibl ibn ibo ibp ibs ica icb icc ici icl icn ico icp ics iia iib iic iii iil iin iio iip iis il- ila ilb ilc ili ill iln ilo ilp ils in- ina inb inc ini inl inn ino inp ins io- ioa iob ioc ioi iol ion ioo iop ios ipa ipb ipc ipi ipl ipn ipo ipp ips is- isa isb isc isi isl isn iso isp iss l-p la- laa lab lac lai lal lan lao lap las lba lbb lbc lbi lbl lbo lbp lbs lca lcb lcc lci lcl lcn lco lcp lcs lia lib lic lii lil lin lio lip lis lla llb llc lli lll lln llo llp lls lna lnb lnc lni lnl lnn lno lnp lns loa lob loc loi lol lon loo lop los lpa lpb lpc lpi lpl lpn lpo lpp lps lsa lsb lsc lsi lsl lsn lso lsp lss n-i naa nab nac nai nal nan nao nap nas nba nbb nbc nbi nbl nbn nbo nbp nbs nca ncb ncc nci ncl ncn nco ncp ncs nia nib nic nii nil nin nio nip nis nla nlb nlc nli nll nln nlo nlp nls nna nnb nnc nni nnl nnn nno nnp nns no- noa nob noc noi nol non noo nop nos npa npb npc npi npl npn npo npp nps nsa nsb nsc nsi nsl nsn nso nsp nss o-i oaa oab oac oai oal oan oao oap oas ob- oba obb obc obi obl obn obo obp obs oc- oca ocb occ oci ocl ocn oco ocp ocs oia oib oic oii oil oin oio oip ois ola olb olc oli oll oln olo olp ols on- ona onb onc oni onl onn ono onp ons oo- ooa oob ooc ooi ool oon ooo oop oos op- opa opb opc opi opl opn opo opp ops os- osa osb osc osi osl osn oso osp oss p-p paa pab pac pai pal pan pao pap pas pba pbb pbc pbi pbl pbn pbo pbp pbs pca pcb pcc pci pcl pcn pco pcp pcs pia pib pic pii pil pin pio pip pis pla plb plc pli pll pln plo plp pls pn- pna pnb pnc pni pnl pnn pno pnp pns poa pob poc poi pol pon poo pop pos ppa ppb ppc ppi ppl ppn ppo ppp pps ps- psa psb psc psi psl psn pso psp pss saa sab sac sai sal san sao sap sas sba sbb sbc sbi sbl sbn sbo sbp sbs sca scb scc sci scl scn sco scp scs sia sib sic sii sil sin sio sip sis sla slb slc sli sll sln slo slp sls sna snb snc sni snl snn sno snp sns soa sob soc soi sol son soo sop sos spa spb spc spi spl spn spo spp sps ss- ssa ssb ssc ssi ssl ssn sso ssp sss