a-a a-c aaa aac aae aag aan aao aaw ac- aca acc ace acg acn aco acw aea aec aee aeg aen aeo aew ag- aga agc age agg agn ago agw an- ana anc ane ang ann ano aoa aoc aoe aog aon aoo aow aw- awa awc awe awg awn awo aww c-- caa cac cae cag can cao caw cca ccc cce ccg ccn cco ccw ce- cea cec cee ceg cen ceo cew cga cgc cge cgg cgn cgo cgw cn- cna cnc cne cng cnn cno cnw co- coa coc coe cog con coo cow cw- cwa cwc cwe cwg cwn cwo eaa eac eae eag ean eao eaw ec- eca ecc ece ecg ecn eco ecw eea eec eee eeg een eeo eew ega egc ege egg egn ego egw en- ena enc ene eng enn eno enw eo- eoa eoc eoe eog eon eoo eow ewa ewc ewe ewo eww gaa gac gae gag gan gao gaw gca gcc gce gcg gcn gco gcw ge- gea gec gee geg gen geo gew gga ggc ggg ggn ggo ggw gna gnc gne gnn gno gnw goa goc goe gog gon goo gow gwa gwc gwe gwg gwn naa nac nae nag nan nao naw nca ncc nce ncg ncn nco ncw ne- nea nec nee neg nen neo new nga ngc nge ngg ngn ngo ngw nna nnc nne nng nnn nno nnw no- noa noc noe nog non noo now nwa nwc nwe nwn nwo oaa oac oae oag oan oao oaw oc- oca occ ocg ocn oco ocw oea oec oee oeg oen oeo oga ogc oge ogg ogn ogo on- ona onc one ong onn ono oo- ooa ooc oog oon ooo oow owa owc owe own owo oww waa wac wae wag wan wao waw wca wcc wce wcg wcn wco wcw wea wec wee weg wen weo wew wga wgc wgn wgo wgw wn- wna wnc wne wng wnn wno wnw woa woc woe wog won woo wow wwa wwc wwe wwn wwo www