a-a a-c aaa aac aag aah aan aao aar ac- aca acc acg ach acn aco acr ag- aga agc agg agh agn ago agr aha ahc ahg ahh ahn aho ahr an- ana anc ang anh ann ano anr aoa aoc aog aoh aon aoo aor ar- ara arc arg arh arn aro arr c-- caa cac cag cah can cao car cca ccc ccg cch ccn cco ccr cga cgc cgg cgh cgn cgo cgr ch- cha chc chg chh chn cho chr cn- cna cnc cng cnh cnn cno cnr co- coa coc cog coh con coo cor cra crc crg crh crn cro crr gaa gac gag gah gan gao gar gca gcc gcg gch gcn gco gcr gga ggc ggg ggh ggn ggo ggr gha ghc ghg ghh ghn gho ghr gna gnc gnn gno gnr goa goc gog goh gon goo gor gra grc grg grh grn gro grr haa hac hag hah han hao har hca hcc hcg hch hcn hco hcr hga hgc hgg hgh hgn hgo hgr hha hhc hhg hhh hhn hho hhr hna hnc hng hnh hnn hno hoa hoc hog hoh hon hoo hor hr- hra hrc hrg hrh hrn hro hrr naa nac nag nah nan nao nar nca ncc ncg nch ncn nco ncr nga ngc ngg ngh ngn ngo nha nhc nhg nhh nhn nhr nna nnc nng nnh nnn nno no- noa noc nog noh non noo nor nra nrc nrg nrn nro nrr oaa oac oag oah oan oao oar oc- oca occ ocg och ocn oco ocr oga ogc ogg ogh ogn ogo oha ohc ohg ohh ohn oho ohr on- ona onc ong onh onn ono onr oo- ooa ooc oog ooh oon ooo oor or- ora orc org orh orn oro orr ra- raa rac rag rah ran rao rar rca rcc rcg rch rcn rco rcr rga rgc rgg rgh rgn rgo rgr rh- rha rhc rhg rhh rhn rho rhr rna rnc rng rnh rnn rno rnr roa roc rog roh ron roo ror rra rrc rrg rrh rrn rrr