-er a-a a-b a-t aaa aab aad aae aag aak aao aar aat aau ab- aba abb abd abe abg abk abo abr abt abu ad- ada adb add ade adg adk ado adr adt adu aea aeb aed aee aeg aek aeo aer aet aeu ag- aga agb agd age agg agk ago agr agt agu aka akb akd ake akg akk ako akr aku aoa aob aod aoe aog aok aoo aor aot aou ar- ara arb ard are arg ark aro arr art aru at- ata atb atd ate atg ato atr att atu au- aua aub aud aue aug auk auo aur aut b-u baa bab bad bae bag bak bao bar bat bau bba bbb bbd bbe bbg bbk bbo bbr bbt bbu bda bdb bdd bde bdg bdk bdo bdr bdt bdu be- bea beb bed bee beg bek beo ber bet beu bga bgb bgd bge bgg bgk bgo bgr bgt bgu bka bkb bke bkg bkk bko bkr bkt boa bob bod boe bog bok boo bor bot bou bra brb brd bre brg brk bro brr brt bru bta btb btd bte btg btk bto btr btt btu bua bub bud bue bug buk buo bur but buu daa dab dad dae dag dak dao dar dat dau dba dbb dbd dbe dbg dbk dbo dbr dbt dbu dda ddb ddd dde ddg ddk ddo ddr ddt ddu de- dea deb ded dee deg dek deo der det deu dga dgd dge dgg dgk dgr dgt dgu dka dkb dke dkg dkk dko dkr dkt dku doa dob dod doe dog dok doo dor dot dou dra drb drd dre drg drk dro drr drt dru dta dtb dtd dte dtg dtk dto dtr dtt dtu dua dub dud due dug duk duo dur dut eaa eab ead eae eag eak eao ear eat eau eba ebb ebd ebe ebg ebk ebo ebr ebt ebu ed- eda edb edd ede edg edk edo edr edt edu eea eeb eed eee eeg eek eeo eer eet ega egb egd ege egg ego egr egt egu eka ekb ekd eke ekg eko ekr ekt eku eo- eoa eob eod eoe eog eok eoo eor eot eou era erb erd ere erg erk ero err ert eru eta etb etd ete etg etk eto etr ett etu eu- eua eub eud eue eug eur eut g-d gaa gab gad gae gag gak gao gar gat gau gba gbd gbe gbg gbk gbo gbr gbt gbu gda gdb gdd gde gdk gdo gdr gdt gdu ge- gea geb ged gee geg gek geo ger get geu gga ggb ggd ggg ggo ggr ggt ggu gka gkb gkd gko gkt goa gob god goe gog gok goo gor got gou gra grb grd gre grg grk gro grr grt gru gta gtb gtd gte gtg gtk gto gtr gtt gtu gu- gua gub gud gue gug guk guo gur gut guu k-t ka- kaa kab kad kae kag kak kao kar kat kau kba kbb kbd kbe kbk kbo kbr kbu kda kdb kde kdg kdk kdo kdr kdt kdu ke- kea keb ked kee keg kek keo ker ket kga kgb kgd kgo kgu kkb kke kkk kkr kkt kku koa kob kod koe kog kok koo kor kot kou kra krd krg krk kro krr krt kru kta ktb kte ktg ktk kto ktr ktt ktu kub kud kue kug kuk kur kut kuu oaa oab oad oae oag oak oao oar oat oau ob- oba obb obd obe obg obk obo obr obt obu oda odb odd ode odg odo odr odt odu oea oeb oed oee oeg oeo oer oet oga ogd oge ogg ogo ogt oka okb okd oke okg okk oko okr oku oo- ooa oob ood oog ook ooo oor oot or- ora orb ord ore org ork oro orr ort oru ot- ota otb otd ote otg otk oto otr ott otu ou- oua oud oue ouk ouo our out ra- raa rab rad rae rag rak rao rar rat rau rba rbb rbd rbe rbg rbk rbo rbr rbt rbu rda rdb rdd rde rdg rdo rdr rdt rdu re- rea reb red ree reg rek reo rer ret reu rga rgb rgd rge rgg rgk rgo rgr rgt rkb rke rkg rkk rko rkt rku roa rob rod roe rog rok roo ror rot rou rra rrb rrd rrg rrk rrr rrt rru rta rtb rtd rte rtg rtk rto rtr rtt rtu rua rub rud rue rug ruk ruo rur rut ruu taa tab tad tae tag tak tao tar tat tau tba tbb tbd tbe tbg tbk tbo tbr tbt tbu tda tdb tdd tde tdg tdk tdo tdr tdt tdu te- tea teb ted tee teg tek teo ter tet teu tga tgb tge tgg tgk tgo tgr tgt tgu tka tkb tke tkg tkk tko tkr tkt to- toa tob tod toe tog tok too tor tot tou tra trb trd tre trg trk tro trr trt tru tta ttb ttd tte ttg ttk tto ttr ttt ttu tua tub tud tue tug tuk tuo tur tut tuu ua- uaa uab uad uae uag uak uao uar uat uau uba ubb ube ubg ubk ubo ubr ubt ubu uda udb udd ude udg udk udo udr udt udu uea ueb ued uee ueg uer uet uga ugb uge ugg ugk ugo ugr ugt ugu uka ukb uke ukk ukr uku uoa uob uod uoe uog uok uoo uor uot ur- ura urb urd ure urg urk uro urr urt uru uta utb utd ute utk uto utr utt utu uua uue uug uur uut uuu

a-ak a-be a-do a-ok aaaa aaab aaad aaae aaar aaba aabb aabd aabt aada aade aadt aadu aaea aage aaka aake aaku aaoe aaoo aara aard aare aaro aart aaru aata aatk aatt abaa abab abad abae abag abak abar abat abau abb- abba abbb abbe abbo