-ic a-a a-c a-i aaa aac aag aai aan aao aar aay ac- aca acc acg aci acn aco acr acy ag- aga agc agg agi agn ago agr agy ai- aia aic aig aii ain aio air aiy an- ana anc ang ani ann ano anr any aoa aoc aog aoi aon aoo aor ar- ara arc arg ari arn aro arr ary ay- aya ayc ayi ayn ayo ayr c-- caa cac cag cai can cao car cay cca ccc ccg cci ccn cco ccr cga cgc cgg cgi cgn cgo cgr cgy ci- cia cic cig cii cin cio cir cn- cna cnc cng cni cnn cno cnr cny co- coa coc cog coi con coo cor coy cra crc crg cri crn cro crr cry cya cyc cyg cyn cyo cyr gaa gac gag gai gan gao gar gay gca gcc gcg gci gcn gco gcr gga ggc ggg ggi ggn ggo ggr gia gic gig gii gin gio gir giy gna gnc gni gnn gno gnr goa goc gog goi gon goo gor goy gra grc grg gri grn gro grr gry gy- gya gyn gyo gyr ia- iaa iac iag iai ian iao iar ica icc icg ici icn ico icr icy iga igc igg igi ign igo igr igy iia iic iii iin iio iir in- ina inc ing ini inn ino inr iny io- ioa ioc iog ioi ion ioo ior ir- ira irc irg iri irn iro irr iry iya iyc iyo iyr iyy n-i naa nac nag nai nan nao nar nay nca ncc ncg nci ncn nco ncr nga ngc ngg ngi ngn ngo nia nic nig nii nin nio nir nna nnc nng nni nnn nno no- noa noc nog noi non noo nor noy nra nrc nrg nri nrn nro nrr nry nya nyc nyg nyn nyo nyy o-i oaa oac oag oai oan oao oar oc- oca occ ocg oci ocn oco ocr oga ogc ogg ogi ogn ogo ogy oia oic oii oin oio oir on- ona onc ong oni onn ono onr ony oo- ooa ooc oog ooi oon ooo oor or- ora orc org ori orn oro orr ory oya oyi oyo ra- raa rac rag rai ran rao rar ray rca rcc rcg rci rcn rco rcr rga rgc rgg rgi rgn rgo rgr ria ric rig rii rin rio rir riy rna rnc rng rni rnn rno rnr rny roa roc rog roi ron roo ror roy rra rrc rrg rri rrn rrr ry- rya ryc ryg ryn ryo ryr ryy yaa yac yag yai yan yao yar yay yca ycc yci yco ycy yga ygc ygo yig yii yin yio yir yna yng ynn yny yoc yog yoi yon yoo yor yoy yra yrc yrg yrn yro yyc yyg yyy