-ic a-a a-c a-i aaa aac aag aai aao aas aau ac- aca acc acg aci aco acs acu ag- aga agc agg agi ago ags agu ai- aia aic aig aii aio ais aiu aoa aoc aog aoi aoo aos aou as- asa asc asg asi aso ass asu au- aua auc aug aui auo aus c-- caa cac cag cai cao cas cau cca ccc ccg cci cco ccs ccu cga cgc cgg cgi cgo cgs cgu ci- cia cic cig cii cio cis ciu co- coa coc cog coi coo cos cou csa csc csg csi cso css csu cua cuc cug cui cuo cus cuu gaa gac gag gai gao gas gau gca gcc gcg gci gco gcs gcu gga ggc ggg ggi ggo ggs ggu gia gic gig gii gio gis giu goa goc gog goi goo gos gou gsa gsc gsg gsi gso gss gsu gu- gua guc gug gui guo gus guu ia- iaa iac iag iai iao ias iau ica icc icg ici ico ics icu iga igc igg igi igo igs igu iia iic iii iio iis iiu io- ioa ioc iog ioi ioo ios iou is- isa isc isg isi iso iss isu iu- iua iuc iug iui ius o-i oaa oac oag oai oao oas oau oc- oca occ ocg oci oco ocs ocu oga ogc ogg ogi ogo ogs oia oic oii oio ois oiu oo- ooa ooc oog ooi ooo oos os- osa osc osg osi oso oss osu ou- oua ouc oui ouo ous saa sac sag sai sao sas sau sca scc scg sci sco scs scu sga sgc sgg sgi sgo sgs sgu sia sic sig sii sio sis siu soa soc sog soi soo sos sou ss- ssa ssc ssg ssi sso sss ssu sua suc sug sui suo sus suu ua- uaa uac uag uai uao uas uau uca ucc ucg uci uco ucs ucu uga ugc ugg ugi ugo ugs ugu uia uic uig uii uio uis uiu uoa uoc uog uoo uos usa usc usg usi uso uss usu uua uuc uug uus uuu