-er a-a a-b aaa aab aad aae aag aak aao aar aau aav ab- aba abb abd abe abg abk abo abr abu abv ad- ada adb add ade adg adk ado adr adu adv aea aeb aed aee aeg aek aeo aer aeu aev ag- aga agb agd age agg agk ago agr agu agv aka akb akd ake akg akk ako akr aku akv aoa aob aod aoe aog aok aoo aor aou aov ar- ara arb ard are arg ark aro arr aru arv au- aua aub aud aue aug auk auo aur auv av- ava avb avd ave avg avk avo avr avu b-u baa bab bad bae bag bak bao bar bau bav bba bbb bbd bbe bbg bbk bbo bbr bbu bda bdb bdd bde bdg bdk bdo bdr bdu bdv be- bea beb bed bee beg bek beo ber beu bev bga bgb bgd bge bgg bgk bgo bgr bgu bgv bka bkb bke bkg bkk bko bkr bkv boa bob bod boe bog bok boo bor bou bov bra brb brd bre brg brk bro brr bru brv bua bub bud bue bug buk buo bur buu bva bvb bvd bve bvg bvk bvo bvr bvu bvv daa dab dad dae dag dak dao dar dau dav dba dbb dbd dbe dbg dbk dbo dbr dbu dbv dda ddb ddd dde ddg ddk ddo ddr ddu de- dea deb ded dee deg dek deo der deu dev dga dgd dge dgg dgk dgr dgu dka dkb dke dkg dkk dko dkr dku doa dob dod doe dog dok doo dor dou dov dra drb drd dre drg drk dro drr dru drv dua dub dud due dug duk duo dur duv dva dvb dvd dve dvg dvk dvr dvu eaa eab ead eae eag eak eao ear eau eav eba ebb ebd ebe ebg ebk ebo ebr ebu ebv ed- eda edb edd ede edg edk edo edr edu eea eeb eed eee eeg eek eeo eer eev ega egb egd ege egg ego egr egu eka ekb ekd eke ekg eko ekr eku ekv eo- eoa eob eod eoe eog eok eoo eor eou era erb erd ere erg erk ero err eru erv eu- eua eub eud eue eug eur euv eva evb evd eve evg evo evr evv g-d gaa gab gad gae gag gak gao gar gau gav gba gbd gbe gbg gbk gbo gbr gbu gbv gda gdb gdd gde gdk gdo gdr gdu gdv ge- gea geb ged gee geg gek geo ger geu gev gga ggb ggd ggg ggo ggr ggu ggv gka gkb gkd gko goa gob god goe gog gok goo gor gou gov gra grb grd gre grg grk gro grr gru grv gu- gua gub gud gue gug guk guo gur guu guv gva gvb gvd gve gvg gvk gvo gvr gvu ka- kaa kab kad kae kag kak kao kar kau kav kba kbb kbd kbe kbk kbo kbr kbu kda kdb kde kdg kdk kdo kdr kdu ke- kea keb ked kee keg kek keo ker kev kga kgb kgd kgo kgu kgv kkb kke kkk kkr kku kkv koa kob kod koe kog kok koo kor kou kra krd krg krk kro krr kru krv kub kud kue kug kuk kur kuu kva kvb kvk kvo kvr kvv oaa oab oad oae oag oak oao oar oau oav ob- oba obb obd obe obg obk obo obr obu obv oda odb odd ode odg odo odr odu odv oea oeb oed oee oeg oeo oer oga ogd oge ogg ogo oka okb okd oke okg okk oko okr oku oo- ooa oob ood oog ook ooo oor oov or- ora orb ord ore org ork oro orr oru orv ou- oua oud oue ouk ouo our ov- ova ovb ovd ove ovo ovv ra- raa rab rad rae rag rak rao rar rau rav rba rbb rbd rbe rbg rbk rbo rbr rbu rda rdb rdd rde rdg rdo rdr rdu rdv re- rea reb red ree reg rek reo rer reu rev rga rgb rgd rge rgg rgk rgo rgr rgv rkb rke rkg rkk rko rku rkv roa rob rod roe rog rok roo ror rou rov rra rrb rrd rrg rrk rrr rru rua rub rud rue rug ruk ruo rur ruu ruv rva rvb rvd rve rvg rvo rvr rvu rvv ua- uaa uab uad uae uag uak uao uar uau uav uba ubb ube ubg ubk ubo ubr ubu ubv uda udb udd ude udg udk udo udr udu udv uea ueb ued uee ueg uer uga ugb uge ugg ugk ugo ugr ugu uka ukb uke ukk ukr uku uoa uob uod uoe uog uok uoo uor ur- ura urb urd ure urg urk uro urr uru uua uue uug uur uuu uva uvb uve uvo uvu uvv v-a v-e vaa vab vad vae vag vak vao var vau vav vba vbd vbg vbk vbo vbr vbv vdb vdd vde vdg vdk vdo vdr vdu vdv vea veb ved vee veg vek veo ver veu vga vgg vgo vgr vgu vka vkb vkg voa vob vod voe vog vok voo vor vou vov vra vrb vrd vre vrg vrk vrr vru vue vug vuk vur vuv vva vvb vvg vvo vvr vvv

a-ak a-be a-do a-ok aaaa aaab aaad aaae aaar aaav aaba aabb aabd aada aade aadu aaea aaev aage aaka aake aaku aaoe aaoo aara aard aare aaro aaru aava abaa abab abad abae abag abak abar abau abb- abba abbb abbe abbo abbr abda abdo abdu abed abee aber abgd aboa abob abod abok aboo abor abou abov abra abro abua abud abue abug abuk abva abvd adaa adab adad adae adag adak adao adar adba adda addd adde addo addr addu adea adeb adee adeo ader adob adod adoe adog adok adoo ador adra adre adro adua adub adue aduk adur advb aede aeer aega aeka aer- aera