a-a a-c aaa aac aag aah aao aar aau ac- aca acc acg ach aco acr acu ag- aga agc agg agh ago agr agu aha ahc ahg ahh aho ahr ahu aoa aoc aog aoh aoo aor aou ar- ara arc arg arh aro arr aru au- aua auc aug auh auo aur c-- caa cac cag cah cao car cau cca ccc ccg cch cco ccr ccu cga cgc cgg cgh cgo cgr cgu ch- cha chc chg chh cho chr chu co- coa coc cog coh coo cor cou cra crc crg crh cro crr cru cua cuc cug cuh cuo cur cuu gaa gac gag gah gao gar gau gca gcc gcg gch gco gcr gcu gga ggc ggg ggh ggo ggr ggu gha ghc ghg ghh gho ghr goa goc gog goh goo gor gou gra grc grg grh gro grr gru gu- gua guc gug guo gur guu haa hac hag hah hao har hau hca hcc hcg hch hco hcr hga hgc hgg hgh hgo hgr hgu hha hhc hhg hhh hho hhr hhu hoa hoc hog hoh hoo hor hou hr- hra hrc hrg hrh hro hrr hru hua huc hug huh huo hur huu oaa oac oag oah oao oar oau oc- oca occ ocg och oco ocr ocu oga ogc ogg ogh ogo oha ohc ohg ohh oho ohr ohu oo- ooa ooc oog ooh ooo oor or- ora orc org orh oro orr oru ou- oua ouc ouh ouo our ra- raa rac rag rah rao rar rau rca rcc rcg rch rco rcr rcu rga rgc rgg rgh rgo rgr rh- rha rhc rhg rhh rho rhr rhu roa roc rog roh roo ror rou rra rrc rrg rrh rrr rru rua ruc rug ruh ruo rur ruu ua- uaa uac uag uah uao uar uau uca ucc ucg uch uco ucr ucu uga ugc ugg ugh ugo ugr ugu uha uhc uhh uho uhr uhu uoa uoc uog uoo uor ur- ura urc urg uro urr uru uua uuc uug uur uuu