-ic a-a a-c a-i aaa aac aae aag aai aak aan aao aap ac- aca acc ace acg aci ack acn aco acp aea aec aee aeg aei aek aen aeo aep ag- aga agc age agg agi agk agn ago agp ai- aia aic aie aig aii aik ain aio aip aka akc ake akg aki akk akn ako akp an- ana anc ane ang ani ank ann ano anp aoa aoc aoe aog aoi aok aon aoo aop ap- apa apc ape apg api apk apn apo app c-- caa cac cae cag cai cak can cao cap cca ccc cce ccg cci cck ccn cco ccp ce- cea cec cee ceg cei cek cen ceo cep cga cgc cge cgg cgi cgn cgo cgp ci- cia cic cie cig cii cik cin cio cip cka ckc cki cko cn- cna cnc cne cng cni cnn cno cnp co- coa coc coe cog coi cok con coo cop cpa cpc cpe cpg cpi cpk cpn cpo cpp eaa eac eae eag eai eak ean eao eap ec- eca ecc ece ecg eci eck ecn eco eea eec eee eeg eek een eeo eep ega egc ege egg egi egn ego egp eia eic eie eig eii eik ein eio eip eka ekc eke ekg eki eko ekp en- ena enc ene eng eni enk enn eno enp eo- eoa eoc eoe eog eoi eok eon eoo eop ep- epa epc epe epg epi epn epo epp g-p gaa gac gae gag gai gak gan gao gap gca gcc gce gcg gci gck gcn gco gcp ge- gea gec gee geg gei gek gen geo gep gga ggc ggg ggi ggn ggo ggp gia gic gie gig gii gik gin gio gip gka gkn gko gkp gna gnc gne gni gnn gno gnp goa goc goe gog goi gok gon goo gop gpa gpc gpe gpg gpi gpk gpn gpo gpp ia- iaa iac iae iag iai ian iao iap ica icc ice icg ici ick icn ico icp ie- iea iec iee ieg iei iek ien iep iga igc ige igg igi igk ign igo igp iia iic iie iii iin iio iip ika ikc ike iki ikk iko in- ina inc ine ing ini ink inn ino inp io- ioa ioc ioe iog ioi ion ioo iop ipa ipc ipe ipg ipi ipn ipo ipp ka- kaa kac kae kag kai kak kan kao kap kca kcc kce kcg kci kck kcn kcp ke- kea kec kee keg kei kek ken keo kep kga kgc kgi kgo kgp kia kic kie kig kii kik kin kio kip kkc kke kki kkk kkn kkp kn- kna knc kne kng kni knk knn kno knp koa koc koe kog koi kok kon koo kop kpa kpc kpe kpi kpk kpn kpo kpp n-i naa nac nae nag nai nak nan nao nap nca ncc nce ncg nci nck ncn nco ncp ne- nea nec nee neg nei nek nen neo nep nga ngc nge ngg ngi ngk ngn ngo ngp nia nic nie nig nii nik nin nio nip nka nkc nke nki nkk nkn nko nkp nna nnc nne nng nni nnk nnn nno nnp no- noa noc noe nog noi nok non noo nop npa npc npe npg npi npn npo npp o-i oaa oac oae oag oai oak oan oao oap oc- oca occ ocg oci ock ocn oco ocp oea oec oee oeg oei oen oeo oep oga ogc oge ogg ogi ogn ogo ogp oia oic oie oii oik oin oio oip oka okc oke okg oki okk oko okp on- ona onc one ong oni onk onn ono onp oo- ooa ooc oog ooi ook oon ooo oop op- opa opc ope opg opi opk opn opo opp p-p paa pac pae pag pai pak pan pao pap pca pcc pce pcg pci pck pcn pco pcp pea pec pee peg pei pek pen peo pep pga pgc pge pgg pgi pgk pgn pgo pgp pia pic pie pig pii pik pin pio pip pka pkc pke pkg pki pkn pko pkp pn- pna pnc pne png pni pnk pnn pno pnp poa poc poe pog poi pok pon poo pop ppa ppc ppe ppg ppi ppk ppn ppo ppp