a-a a-c aaa aac aag aan aao aar aaw ac- aca acc acg acn aco acr acw ag- aga agc agg agn ago agr agw an- ana anc ang ann ano anr aoa aoc aog aon aoo aor aow ar- ara arc arg arn aro arr arw aw- awa awc awg awn awo awr aww c-- caa cac cag can cao car caw cca ccc ccg ccn cco ccr ccw cga cgc cgg cgn cgo cgr cgw cn- cna cnc cng cnn cno cnr cnw co- coa coc cog con coo cor cow cra crc crg crn cro crr crw cw- cwa cwc cwg cwn cwo cwr gaa gac gag gan gao gar gaw gca gcc gcg gcn gco gcr gcw gga ggc ggg ggn ggo ggr ggw gna gnc gnn gno gnr gnw goa goc gog gon goo gor gow gra grc grg grn gro grr grw gwa gwc gwg gwn gwr naa nac nag nan nao nar naw nca ncc ncg ncn nco ncr ncw nga ngc ngg ngn ngo ngw nna nnc nng nnn nno nnw no- noa noc nog non noo nor now nra nrc nrg nrn nro nrr nrw nwa nwc nwn nwo nwr oaa oac oag oan oao oar oaw oc- oca occ ocg ocn oco ocr ocw oga ogc ogg ogn ogo on- ona onc ong onn ono onr oo- ooa ooc oog oon ooo oor oow or- ora orc org orn oro orr owa owc own owo oww ra- raa rac rag ran rao rar raw rca rcc rcg rcn rco rcr rcw rga rgc rgg rgn rgo rgr rgw rna rnc rng rnn rno rnr rnw roa roc rog ron roo ror row rra rrc rrg rrn rrr rwa rwc rwr waa wac wag wan wao war waw wca wcc wcg wcn wco wcr wcw wga wgc wgn wgo wgr wgw wn- wna wnc wng wnn wno wnw woa woc wog won woo wor wow wr- wra wrc wrg wrn wro wrr wrw wwa wwc wwn wwo www