-ic a-a a-c a-i aaa aac aag aai aan aao aar aau ac- aca acc acg aci acn aco acr acu ag- aga agc agg agi agn ago agr agu ai- aia aic aig aii ain aio air aiu an- ana anc ang ani ann ano anr anu aoa aoc aog aoi aon aoo aor aou ar- ara arc arg ari arn aro arr aru au- aua auc aug aui aun auo aur c-- caa cac cag cai can cao car cau cca ccc ccg cci ccn cco ccr ccu cga cgc cgg cgi cgn cgo cgr cgu ci- cia cic cig cii cin cio cir ciu cn- cna cnc cng cni cnn cno cnr cnu co- coa coc cog coi con coo cor cou cra crc crg cri crn cro crr cru cua cuc cug cui cun cuo cur cuu gaa gac gag gai gan gao gar gau gca gcc gcg gci gcn gco gcr gcu gga ggc ggg ggi ggn ggo ggr ggu gia gic gig gii gin gio gir giu gna gnc gni gnn gno gnr gnu goa goc gog goi gon goo gor gou gra grc grg gri grn gro grr gru gu- gua guc gug gui gun guo gur guu ia- iaa iac iag iai ian iao iar iau ica icc icg ici icn ico icr icu iga igc igg igi ign igo igr igu iia iic iii iin iio iir iiu in- ina inc ing ini inn ino inr inu io- ioa ioc iog ioi ion ioo ior iou ir- ira irc irg iri irn iro irr iru iu- iua iuc iug iui iur n-i naa nac nag nai nan nao nar nau nca ncc ncg nci ncn nco ncr ncu nga ngc ngg ngi ngn ngo ngu nia nic nig nii nin nio nir niu nna nnc nng nni nnn nno nnu no- noa noc nog noi non noo nor nou nra nrc nrg nri nrn nro nrr nru nua nuc nug nui nun nuo nur nuu o-i oaa oac oag oai oan oao oar oau oc- oca occ ocg oci ocn oco ocr ocu oga ogc ogg ogi ogn ogo oia oic oii oin oio oir oiu on- ona onc ong oni onn ono onr onu oo- ooa ooc oog ooi oon ooo oor or- ora orc org ori orn oro orr oru ou- oua ouc oui oun ouo our ra- raa rac rag rai ran rao rar rau rca rcc rcg rci rcn rco rcr rcu rga rgc rgg rgi rgn rgo rgr ria ric rig rii rin rio rir rna rnc rng rni rnn rno rnr rnu roa roc rog roi ron roo ror rou rra rrc rrg rri rrn rrr rru rua ruc rug rui run ruo rur ruu ua- uaa uac uag uai uan uao uar uau uca ucc ucg uci ucn uco ucr ucu uga ugc ugg ugi ugn ugo ugr ugu uia uic uig uii uin uio uir uiu un- una unc ung uni unn uno unr unu uoa uoc uog uon uoo uor ur- ura urc urg uri urn uro urr uru uua uuc uug uun uur uuu