a-a a-b aaa aab aae aag aan aaw ab- aba abb abe abg abn abw aea aeb aee aeg aen aew ag- aga agb age agg agn agw an- ana anb ane ang ann aw- awa awb awe awg awn aww baa bab bae bag ban baw bba bbb bbe bbg bbn bbw be- bea beb bee beg ben bew bga bgb bge bgg bgn bgw bna bnb bne bng bnn bnw bwa bwb bwg eaa eab eae eag ean eaw eba ebb ebe ebg ebn ebw eea eeb eee eeg een eew ega egb ege egg egn egw en- ena enb ene eng enn enw ewa ewb ewe eww gaa gab gae gag gan gaw gba gbe gbg gbn gbw ge- gea geb gee geg gen gew gga ggb ggg ggn ggw gna gnb gne gnn gnw gwa gwb gwe gwg gwn naa nab nae nag nan naw nba nbb nbe nbg nbn nbw ne- nea neb nee neg nen new nga ngb nge ngg ngn ngw nna nnb nne nng nnn nnw nwa nwb nwe nwn waa wab wae wag wan waw wba wbb wbe wbg wbn wbw wea web wee weg wen wew wga wgb wgn wgw wn- wna wne wng wnn wnw wwa wwe wwn www