a-a a-b aaa aab aae aag aap aaw ab- aba abb abe abg abp abw aea aeb aee aeg aep aew ag- aga agb age agg agp agw ap- apa apb ape apg app apw aw- awa awb awe awg awp aww b-p baa bab bae bag bap baw bba bbb bbe bbg bbp bbw be- bea beb bee beg bep bew bga bgb bge bgg bgp bgw bpa bpb bpe bpg bpp bpw bwa bwb bwg bwp eaa eab eae eag eap eaw eba ebb ebe ebg ebp ebw eea eeb eee eeg eep eew ega egb ege egg egp egw ep- epa epb epe epg epp epw ewa ewb ewe ewp eww g-p gaa gab gae gag gap gaw gba gbe gbg gbp gbw ge- gea geb gee geg gep gew gga ggb ggg ggp ggw gpa gpb gpe gpg gpp gpw gwa gwb gwe gwg gwp p-p paa pab pae pag pap paw pba pbb pbe pbg pbp pbw pea peb pee peg pep pew pga pgb pge pgg pgp pgw ppa ppb ppe ppg ppp ppw pwa pwb pwe pwg pwp waa wab wae wag wap waw wba wbb wbe wbg wbw wea web wee weg wep wew wga wgb wgp wgw wpa wpb wpe wpg wpp wwa wwe wwp www