-er a-a a-b aaa aab aae aag aar aas aau aaw ab- aba abb abe abg abr abs abu abw aea aeb aee aeg aer aes aeu aew ag- aga agb age agg agr ags agu agw ar- ara arb are arg arr ars aru arw as- asa asb ase asg asr ass asu asw au- aua aub aue aug aur aus auw aw- awa awb awe awg awr aws awu aww b-u baa bab bae bag bar bas bau baw bba bbb bbe bbg bbr bbs bbu bbw be- bea beb bee beg ber bes beu bew bga bgb bge bgg bgr bgs bgu bgw bra brb bre brg brr brs bru brw bsa bsb bse bsg bsr bss bsu bsw bua bub bue bug bur bus buu buw bwa bwb bwg bwr bws bwu eaa eab eae eag ear eas eau eaw eba ebb ebe ebg ebr ebs ebu ebw eea eeb eee eeg eer ees eew ega egb ege egg egr egs egu egw era erb ere erg err ers eru erw es- esa esb ese esg esr ess esu esw eu- eua eub eue eug eur eus ewa ewb ewe ewr ews ewu eww gaa gab gae gag gar gas gau gaw gba gbe gbg gbr gbs gbu gbw ge- gea geb gee geg ger ges geu gew gga ggb ggg ggr ggs ggu ggw gra grb gre grg grr grs gru grw gsa gsb gse gsg gsr gss gsu gsw gu- gua gub gue gug gur gus guu gwa gwb gwe gwg gwr gws gwu ra- raa rab rae rag rar ras rau raw rba rbb rbe rbg rbr rbs rbu rbw re- rea reb ree reg rer res reu rew rga rgb rge rgg rgr rgs rgw rra rrb rrg rrr rrs rru rsa rsb rse rsg rsr rss rsu rsw rua rub rue rug rur rus ruu rwa rwb rwe rwr rws rwu saa sab sae sag sar sas sau saw sba sbb sbe sbg sbr sbs sbu sbw se- sea seb see seg ser ses seu sew sga sgb sge sgg sgr sgs sgu sr- sra srb sre srg srr srs srw ss- ssa ssb sse ssg ssr sss ssu ssw sua sub sue sug sur sus suu suw swa swb swe swg swr sws swu ua- uaa uab uae uag uar uas uau uaw uba ubb ube ubg ubr ubs ubu ubw uea ueb uee ueg uer ues uew uga ugb uge ugg ugr ugs ugu ur- ura urb ure urg urr urs uru urw usa usb use usg usr uss usu usw uua uue uug uur uus uuu uwa uwb uwe uwg uwr uws uww waa wab wae wag war was wau waw wba wbb wbe wbg wbr wbs wbw wea web wee weg wer wes wew wga wgb wgr wgs wgw wr- wra wre wrg wrr wrs wru wrw wsa wsb wse wsg wsr wss wsu wsw wua wub wue wug wur wus wwa wwe wwu www