-ic a-a a-c a-i aaa aac aag aai aao aar aau ac- aca acc acg aci aco acr acu ag- aga agc agg agi ago agr agu ai- aia aic aig aii aio air aiu aoa aoc aog aoi aoo aor aou ar- ara arc arg ari aro arr aru au- aua auc aug aui auo aur c-- caa cac cag cai cao car cau cca ccc ccg cci cco ccr ccu cga cgc cgg cgi cgo cgr cgu ci- cia cic cig cii cio cir ciu co- coa coc cog coi coo cor cou cra crc crg cri cro crr cru cua cuc cug cui cuo cur cuu gaa gac gag gai gao gar gau gca gcc gcg gci gco gcr gcu gga ggc ggg ggi ggo ggr ggu gia gic gig gii gio gir giu goa goc gog goi goo gor gou gra grc grg gri gro grr gru gu- gua guc gug gui guo gur guu ia- iaa iac iag iai iao iar iau ica icc icg ici ico icr icu iga igc igg igi igo igr igu iia iic iii iio iir iiu io- ioa ioc iog ioi ioo ior iou ir- ira irc irg iri iro irr iru iu- iua iuc iug iui iur o-i oaa oac oag oai oao oar oau oc- oca occ ocg oci oco ocr ocu oga ogc ogg ogi ogo oia oic oii oio oir oiu oo- ooa ooc oog ooi ooo oor or- ora orc org ori oro orr oru ou- oua ouc oui ouo our ra- raa rac rag rai rao rar rau rca rcc rcg rci rco rcr rcu rga rgc rgg rgi rgo rgr ria ric rig rii rio rir roa roc rog roi roo ror rou rra rrc rrg rri rrr rru rua ruc rug rui ruo rur ruu ua- uaa uac uag uai uao uar uau uca ucc ucg uci uco ucr ucu uga ugc ugg ugi ugo ugr ugu uia uic uig uii uio uir uiu uoa uoc uog uoo uor ur- ura urc urg uri uro urr uru uua uuc uug uur uuu