-ic a-a a-c a-i aaa aac aae aaf aag aai aak aan aao ac- aca acc ace acf acg aci ack acn aco aea aec aee aef aeg aei aek aen aeo af- afa afc afe aff afg afi afk afn afo ag- aga agc age agf agg agi agk agn ago ai- aia aic aie aif aig aii aik ain aio aka akc ake akg aki akk akn ako an- ana anc ane anf ang ani ank ann ano aoa aoc aoe aof aog aoi aok aon aoo c-- caa cac cae caf cag cai cak can cao cca ccc cce ccf ccg cci cck ccn cco ce- cea cec cee cef ceg cei cek cen ceo cfa cfc cfe cff cfg cfi cfk cfn cfo cga cgc cge cgg cgi cgn cgo ci- cia cic cie cif cig cii cik cin cio cka ckc cki cko cn- cna cnc cne cnf cng cni cnn cno co- coa coc coe cof cog coi cok con coo eaa eac eae eaf eag eai eak ean eao ec- eca ecc ece ecf ecg eci eck ecn eco eea eec eee eef eeg eek een eeo ef- efa efc efe eff efg efi efo ega egc ege egf egg egi egn ego eia eic eie eif eig eii eik ein eio eka ekc eke ekf ekg eki eko en- ena enc ene enf eng eni enk enn eno eo- eoa eoc eoe eof eog eoi eok eon eoo faa fac fae faf fag fai fak fan fao fca fcc fce fcf fcg fci fck fcn fco fea fec fee fef feg fei fek fen feo ffa ffc ffe fff ffg ffi ffk ffn ffo fga fgc fge fgf fgg fgi fgn fia fic fie fif fig fii fik fin fka fkc fkf fkg fki fkk fna fnc fne fnf fng fni fnk fnn foa foc foe fof fog foi fok fon foo gaa gac gae gaf gag gai gak gan gao gca gcc gce gcf gcg gci gck gcn gco ge- gea gec gee gef geg gei gek gen geo gfa gfc gfe gff gfi gfk gfo gga ggc ggg ggi ggn ggo gia gic gie gif gig gii gik gin gio gka gkn gko gna gnc gne gnf gni gnn gno goa goc goe gof gog goi gok gon goo i-f ia- iaa iac iae iaf iag iai ian iao ica icc ice icf icg ici ick icn ico ie- iea iec iee ief ieg iei iek ien ifa ifc ife iff ifg ifi ifn ifo iga igc ige igf igg igi igk ign igo iia iic iie iif iii iin iio ika ikc ike ikf iki ikk iko in- ina inc ine inf ing ini ink inn ino io- ioa ioc ioe iof iog ioi ion ioo ka- kaa kac kae kaf kag kai kak kan kao kca kcc kce kcg kci kck kcn ke- kea kec kee kef keg kei kek ken keo kfa kfc kff kfg kfi kfo kga kgc kgf kgi kgo kia kic kie kif kig kii kik kin kio kkc kke kki kkk kkn kn- kna knc kne knf kng kni knk knn kno koa koc koe kof kog koi kok kon koo n-i naa nac nae naf nag nai nak nan nao nca ncc nce ncf ncg nci nck ncn nco ne- nea nec nee nef neg nei nek nen neo nfa nfc nfe nff nfi nfk nfn nfo nga ngc nge ngf ngg ngi ngk ngn ngo nia nic nie nif nig nii nik nin nio nka nkc nke nkf nki nkk nkn nko nna nnc nne nnf nng nni nnk nnn nno no- noa noc noe nof nog noi nok non noo o-i oaa oac oae oaf oag oai oak oan oao oc- oca occ ocf ocg oci ock ocn oco oea oec oee oef oeg oei oen oeo of- ofa ofc ofe off ofg ofi ofn ofo oga ogc oge ogf ogg ogi ogn ogo oia oic oie oif oii oik oin oio oka okc oke okg oki okk oko on- ona onc one onf ong oni onk onn ono oo- ooa ooc oof oog ooi ook oon ooo