-ic a-a a-c a-i aaa aac aaf aag aai aan aao aar aau ac- aca acc acf acg aci acn aco acr acu af- afa afc aff afg afi afn afo afr afu ag- aga agc agf agg agi agn ago agr agu ai- aia aic aif aig aii ain aio air aiu an- ana anc anf ang ani ann ano anr anu aoa aoc aof aog aoi aon aoo aor aou ar- ara arc arf arg ari arn aro arr aru au- aua auc auf aug aui aun auo aur c-- caa cac caf cag cai can cao car cau cca ccc ccf ccg cci ccn cco ccr ccu cfa cfc cff cfg cfi cfn cfo cfr cfu cga cgc cgg cgi cgn cgo cgr cgu ci- cia cic cif cig cii cin cio cir ciu cn- cna cnc cnf cng cni cnn cno cnr cnu co- coa coc cof cog coi con coo cor cou cra crc crf crg cri crn cro crr cru cua cuc cuf cug cui cun cuo cur cuu faa fac faf fag fai fan fao far fau fca fcc fcf fcg fci fcn fco fcr fcu ffa ffc fff ffg ffi ffn ffo ffr ffu fga fgc fgf fgg fgi fgn fgr fia fic fif fig fii fin fir fiu fna fnc fnf fng fni fnn fnr fnu foa foc fof fog foi fon foo for fou fra frc frf frg fri frn fro frr fru fua fuf fug fui fun fuo fur fuu gaa gac gaf gag gai gan gao gar gau gca gcc gcf gcg gci gcn gco gcr gcu gfa gfc gff gfi gfo gfr gga ggc ggg ggi ggn ggo ggr ggu gia gic gif gig gii gin gio gir giu gna gnc gnf gni gnn gno gnr gnu goa goc gof gog goi gon goo gor gou gra grc grf grg gri grn gro grr gru gu- gua guc guf gug gui gun guo gur guu i-f ia- iaa iac iaf iag iai ian iao iar iau ica icc icf icg ici icn ico icr icu ifa ifc iff ifg ifi ifn ifo ifr ifu iga igc igf igg igi ign igo igr igu iia iic iif iii iin iio iir iiu in- ina inc inf ing ini inn ino inr inu io- ioa ioc iof iog ioi ion ioo ior iou ir- ira irc irf irg iri irn iro irr iru iu- iua iuc iug iui iur n-i naa nac naf nag nai nan nao nar nau nca ncc ncf ncg nci ncn nco ncr ncu nfa nfc nff nfi nfn nfo nfr nfu nga ngc ngf ngg ngi ngn ngo ngu nia nic nif nig nii nin nio nir niu nna nnc nnf nng nni nnn nno nnu no- noa noc nof nog noi non noo nor nou nra nrc nrf nrg nri nrn nro nrr nru nua nuc nug nui nun nuo nur nuu o-i oaa oac oaf oag oai oan oao oar oau oc- oca occ ocf ocg oci ocn oco ocr ocu of- ofa ofc off ofg ofi ofn ofo ofr ofu oga ogc ogf ogg ogi ogn ogo oia oic oif oii oin oio oir oiu on- ona onc onf ong oni onn ono onr onu oo- ooa ooc oof oog ooi oon ooo oor or- ora orc orf org ori orn oro orr oru ou- oua ouc ouf oui oun ouo our ra- raa rac raf rag rai ran rao rar rau rca rcc rcf rcg rci rcn rco rcr rcu rfa rfc rff rfg rfi rfn rfo rfr rfu rga rgc rgf rgg rgi rgn rgo rgr ria ric rif rig rii rin rio rir rna rnc rng rni rnn rno rnr rnu roa roc rof rog roi ron roo ror rou rra rrc rrf rrg rri rrn rrr rru rua ruc ruf rug rui run ruo rur ruu ua- uaa uac uaf uag uai uan uao uar uau uca ucc ucf ucg uci ucn uco ucr ucu ufa ufc uff ufg ufi ufn ufo ufr ufu uga ugc ugf ugg ugi ugn ugo ugr ugu uia uic uif uig uii uin uio uir uiu un- una unc unf ung uni unn uno unr unu uoa uoc uog uon uoo uor ur- ura urc urf urg uri urn uro urr uru uua uuc uug uun uur uuu