-er a-a a-b a-t aaa aab aae aag aar aas aat aau aav ab- aba abb abe abg abr abs abt abu abv aea aeb aee aeg aer aes aet aeu aev ag- aga agb age agg agr ags agt agu agv ar- ara arb are arg arr ars art aru arv as- asa asb ase asg asr ass ast asu asv at- ata atb ate atg atr ats att atu atv au- aua aub aue aug aur aus aut auv av- ava avb ave avg avr avs avt avu b-u baa bab bae bag bar bas bat bau bav bba bbb bbe bbg bbr bbs bbt bbu be- bea beb bee beg ber bes bet beu bev bga bgb bge bgg bgr bgs bgt bgu bgv bra brb bre brg brr brs brt bru brv bsa bsb bse bsg bsr bss bst bsu bsv bta btb bte btg btr bts btt btu btv bua bub bue bug bur bus but buu bva bvb bve bvg bvr bvs bvt bvu bvv eaa eab eae eag ear eas eat eau eav eba ebb ebe ebg ebr ebs ebt ebu ebv eea eeb eee eeg eer ees eet eev ega egb ege egg egr egs egt egu era erb ere erg err ers ert eru erv es- esa esb ese esg esr ess est esu esv eta etb ete etg etr ets ett etu etv eu- eua eub eue eug eur eus eut euv eva evb eve evg evr evs evt evv gaa gab gae gag gar gas gat gau gav gba gbe gbg gbr gbs gbt gbu gbv ge- gea geb gee geg ger ges get geu gev gga ggb ggg ggr ggs ggt ggu ggv gra grb gre grg grr grs grt gru grv gsa gsb gse gsg gsr gss gst gsu gsv gta gtb gte gtg gtr gts gtt gtu gtv gu- gua gub gue gug gur gus gut guu guv gva gvb gve gvg gvr gvs gvt gvu ra- raa rab rae rag rar ras rat rau rav rba rbb rbe rbg rbr rbs rbt rbu re- rea reb ree reg rer res ret reu rev rga rgb rge rgg rgr rgs rgt rgv rra rrb rrg rrr rrs rrt rru rsa rsb rse rsg rsr rss rst rsu rsv rta rtb rte rtg rtr rts rtt rtu rtv rua rub rue rug rur rus rut ruu ruv rva rvb rve rvg rvr rvs rvt rvu rvv saa sab sae sag sar sas sat sau sav sba sbb sbe sbg sbr sbs sbt sbu sbv se- sea seb see seg ser ses set seu sev sga sgb sge sgg sgr sgs sgt sgu sgv sr- sra srb sre srg srr srs srt srv ss- ssa ssb sse ssg ssr sss sst ssu ssv sta stb ste stg str sts stt stu stv sua sub sue sug sur sus sut suu suv sva svb sve svg svr svs svt svu svv taa tab tae tag tar tas tat tau tav tba tbb tbe tbg tbr tbs tbt tbu tbv te- tea teb tee teg ter tes tet teu tev tga tgb tge tgg tgr tgs tgt tgu tgv tra trb tre trg trr trs trt tru trv tsa tsb tse tsg tsr tss tst tsu tsv tta ttb tte ttg ttr tts ttt ttu ttv tua tub tue tug tur tus tut tuu tuv tva tvb tve tvg tvr tvs tvt tvu ua- uaa uab uae uag uar uas uat uau uav uba ubb ube ubg ubr ubs ubt ubu ubv uea ueb uee ueg uer ues uet uga ugb uge ugg ugr ugs ugt ugu ur- ura urb ure urg urr urs urt uru usa usb use usg usr uss ust usu usv uta utb ute utr uts utt utu utv uua uue uug uur uus uut uuu uva uvb uve uvs uvu uvv v-a v-e vaa vab vae vag var vas vat vau vav vba vbg vbr vbs vbv vea veb vee veg ver ves vet veu vga vgg vgr vgs vgt vgu vra vrb vre vrg vrr vrs vrt vru vsa vsb vse vsg vsr vss vst vsu vsv vta vtb vte vtg vtr vts vtt vtu vtv vue vug vur vus vut vuv vva vvb vvg vvr vvs vvt vvv

-ase a-be aaaa aaab aaae aaar aaas aaav aaba aabb aabt aaea aaes aaev aage aara aare aars aart aaru aasa aase aass aast aasu aata aatt aaus aava abaa abab abae abag abar abas abat abau abb- abba abbb abbe abbr abbs abbt abee aber abes abet abra abrs abs- absa abse abss absu abta abts abtu abua abue abug abus abut abva aeas aebs aeer aega aer- aera aers aess aest aeta aetr aett aeva agag agar agas agat agau agav agba agea agee ager ages aget agga agge aggu agra agre agsa agsg agst agsu agta agte agtr agts agua ague agur agus agut agva arab arae arag arar aras arat arau arba arbe arbs area aree areg ares aret areu arev arga argb arge args arr- arra arre arrg arrr arrs arrt arru ars- arsa arse arst arsu arta arte artr arts artv arua arub arue arug arut arva arve asaa asab asae asag asar asas asat asau asba asbu asea asee aser ases aset asge asgt asra asrg asrs asru assa asse assr asss asst assu asta astb aste astr asts astv asub asue asur asus asva asvs at-t ataa atab atae atar atas atat atbs atea atee ater ates atra atre atru atsb atse atst atta atte attr atts attu atua atub atug atur atus atvs auaa aube auer auga auge augs aur- aura aure ausa ause aust ausu aut- aute auts auug auve auvs avab avar avas avat avea aver aves aveu avgs avra avre avst avur avus avva baaa baar baas baat baba babb babe babr babs babu baer baes baga bage bagg bags bagt bar- bara barb bare barg barr bars bart baru basa base bass