-al -ic -ol a-a a-c a-i aaa aac aag aai aal aan aao aap ac- aca acc acg aci acl acn aco acp ag- aga agc agg agi agl agn ago agp ai- aia aic aig aii ail ain aio aip al- ala alc alg ali all aln alo alp an- ana anc ang ani anl ann ano anp aoa aoc aog aoi aol aon aoo aop ap- apa apc apg api apl apn apo app c-- caa cac cag cai cal can cao cap cca ccc ccg cci ccl ccn cco ccp cga cgc cgg cgi cgl cgn cgo cgp ci- cia cic cig cii cil cin cio cip cl- cla clc clg cli cll cln clo clp cn- cna cnc cng cni cnl cnn cno cnp co- coa coc cog coi col con coo cop cpa cpc cpg cpi cpl cpn cpo cpp g-p gaa gac gag gai gal gan gao gap gca gcc gcg gci gcl gcn gco gcp gga ggc ggg ggi ggn ggo ggp gia gic gig gii gil gin gio gip gla glc glg gli gll gln glo glp gna gnc gni gnl gnn gno gnp goa goc gog goi gol gon goo gop gpa gpc gpg gpi gpl gpn gpo gpp ia- iaa iac iag iai ial ian iao iap ica icc icg ici icl icn ico icp iga igc igg igi igl ign igo igp iia iic iii iil iin iio iip il- ila ilc ilg ili ill iln ilo ilp in- ina inc ing ini inl inn ino inp io- ioa ioc iog ioi iol ion ioo iop ipa ipc ipg ipi ipl ipn ipo ipp l-p la- laa lac lag lai lal lan lao lap lca lcc lcg lci lcl lcn lco lcp lga lgc lgg lgi lgl lgn lgo lgp lia lic lig lii lil lin lio lip lla llc llg lli lll lln llo llp lna lnc lng lni lnl lnn lno lnp loa loc log loi lol lon loo lop lpa lpc lpg lpi lpl lpn lpo lpp n-i naa nac nag nai nal nan nao nap nca ncc ncg nci ncl ncn nco ncp nga ngc ngg ngi ngl ngn ngo ngp nia nic nig nii nil nin nio nip nla nlc nlg nli nll nln nlo nlp nna nnc nng nni nnl nnn nno nnp no- noa noc nog noi nol non noo nop npa npc npg npi npl npn npo npp o-i oaa oac oag oai oal oan oao oap oc- oca occ ocg oci ocl ocn oco ocp oga ogc ogg ogi ogl ogn ogo ogp oia oic oii oil oin oio oip ola olc olg oli oll oln olo olp on- ona onc ong oni onl onn ono onp oo- ooa ooc oog ooi ool oon ooo oop op- opa opc opg opi opl opn opo opp p-p paa pac pag pai pal pan pao pap pca pcc pcg pci pcl pcn pco pcp pga pgc pgg pgi pgl pgn pgo pgp pia pic pig pii pil pin pio pip pla plc plg pli pll pln plo plp pn- pna pnc png pni pnl pnn pno pnp poa poc pog poi pol pon poo pop ppa ppc ppg ppi ppl ppn ppo ppp