-er -ey a-a a-b a-t aaa aab aad aae aaf aak aao aar aat aau aay ab- aba abb abd abe abf abk abo abr abt abu aby ad- ada adb add ade adf adk ado adr adt adu ady aea aeb aed aee aef aek aeo aer aet aeu aey af- afa afb afd afe aff afk afo afr aft afu afy aka akb akd ake akk ako akr aku aoa aob aod aoe aof aok aoo aor aot aou ar- ara arb ard are arf ark aro arr art aru ary at- ata atb atd ate atf ato atr att atu au- aua aub aud aue auf auk auo aur aut ay- aya ayd aye ayf ayk ayo ayr ayt ayu b-u baa bab bad bae baf bak bao bar bat bau bay bba bbb bbd bbe bbf bbk bbo bbr bbt bbu bby bda bdb bdd bde bdf bdk bdo bdr bdt bdu bdy be- bea beb bed bee bef bek beo ber bet beu bey bfa bfb bfd bfe bff bfo bfr bft bfu bfy bka bkb bke bkf bkk bko bkr bkt boa bob bod boe bof bok boo bor bot bou boy bra brb brd bre brf brk bro brr brt bru bry bta btb btd bte btf btk bto btr btt btu bty bua bub bud bue buf buk buo bur but buu buy by- bya byd bye byf byk byo byr byt byu daa dab dad dae daf dak dao dar dat dau day dba dbb dbd dbe dbf dbk dbo dbr dbt dbu dby dda ddb ddd dde ddf ddk ddo ddr ddt ddu ddy de- dea deb ded dee def dek deo der det deu dey dfa dfb dfd dfe dff dfk dfo dfr dft dfu dka dkb dke dkk dko dkr dkt dku doa dob dod doe dof dok doo dor dot dou doy dra drb drd dre drk dro drr drt dru dry dta dtb dtd dte dtf dtk dto dtr dtt dtu dty dua dub dud due duf duk duo dur dut duy dy- dya dyb dyd dye dyk dyo dyr dyu dyy eaa eab ead eae eaf eak eao ear eat eau eba ebb ebd ebe ebf ebk ebo ebr ebt ebu eby ed- eda edb edd ede edf edk edo edr edt edu edy eea eeb eed eee eef eek eeo eer eet eey ef- efa efb efd efe eff efo efr eft eka ekb ekd eke ekf eko ekr ekt eku eky eo- eoa eob eod eoe eof eok eoo eor eot eou era erb erd ere erf erk ero err ert eru ery eta etb etd ete etf etk eto etr ett etu ety eu- eua eub eud eue euf eur eut eya eyd eye eyo eyr eyt faa fab fad fae faf fak fao far fat fau fay fba fbb fbd fbe fbf fbk fbo fbr fbt fbu fda fdb fdd fde fdf fdk fdo fdr fdt fdu fea feb fed fee fef fek feo fer fet feu fey ffa ffd ffe fff ffk ffo ffr fft ffu ffy fka fkb fkf fkk fkt foa fob foe fof fok foo for fot fou foy fra frb frd fre frf frk fro frr frt fru fry fta ftb ftd fte ftf ftk fto ftr ftt ftu fty fua fub fud fue fuf fuk fuo fur fut fuu fy- fya fyb fye fyk fyo k-t ka- kaa kab kad kae kaf kak kao kar kat kau kay kba kbb kbd kbe kbf kbk kbo kbr kbu kda kdb kde kdf kdk kdo kdr kdt kdu kdy ke- kea keb ked kee kef kek keo ker ket key kfa kfd kff kfo kfu kkb kke kkk kkr kkt kku kky koa kob kod koe kof kok koo kor kot kou koy kra krd krf krk kro krr krt kru kry kta ktb kte ktf ktk kto ktr ktt ktu kub kud kue kuk kur kut kuu kuy kya kyd kye kyo kyr kyt kyu oaa oab oad oae oaf oak oao oar oat oau ob- oba obb obd obe obf obk obo obr obt obu oby oda odb odd ode odf odo odr odt odu oea oeb oed oee oef oeo oer oet oey of- ofa ofb ofd ofe off ofo ofr oft ofu oka okb okd oke okk oko okr oku oo- ooa oob ood oof ook ooo oor oot or- ora orb ord ore orf ork oro orr ort oru ory ot- ota otb otd ote otf otk oto otr ott otu ou- oua oud oue ouf ouk ouo our out oya oyd oye oyo ra- raa rab rad rae raf rak rao rar rat rau ray rba rbb rbd rbe rbf rbk rbo rbr rbt rbu rda rdb rdd rde rdf rdo rdr rdt rdu rdy re- rea reb red ree ref rek reo rer ret reu rey rfa rfb rfd rfe rff rfk rfo rfr rft rfu rkb rke rkf rkk rko rkt rku rky roa rob rod roe rof rok roo ror rot rou roy rra rrb rrd rrf rrk rrr rrt rru rta rtb rtd rte rtf rtk rto rtr rtt rtu rty rua rub rud rue ruf ruk ruo rur rut ruu ruy ry- rya ryd rye ryf ryk ryo ryr ryu ryy taa tab tad tae taf tak tao tar tat tau tay tba tbb tbd tbe tbf tbk tbo tbr tbt tbu tda tdb tdd tde tdf tdk tdo tdr tdt tdu tdy te- tea teb ted tee tef tek teo ter tet teu tey tfa tfb tfd tfe tff tfk tfo tfr tft tfu tka tkb tke tkk tko tkr tkt tky to- toa tob tod toe tof tok too tor tot tou toy tra trb trd tre trf trk tro trr trt tru try tta ttb ttd tte ttf ttk tto ttr ttt ttu tty tua tub tud tue tuf tuk tuo tur tut tuu tuy tya tyd tye tyf tyo tyr tyt ua-