-er -ey a-a a-b a-i a-t aaa aab aad aae aai aak aao aar aas aat aay ab- aba abb abd abe abi abk abo abr abs abt aby ad- ada adb add ade adi adk ado adr ads adt ady aea aeb aed aee aei aek aeo aer aes aet aey ai- aia aib aid aie aii aik aio air ais ait aiy aka akb akd ake aki akk ako akr aks aoa aob aod aoe aoi aok aoo aor aos aot ar- ara arb ard are ari ark aro arr ars art ary as- asa asb asd ase asi ask aso asr ass ast asy at- ata atb atd ate ati ato atr ats att ay- aya ayd aye ayi ayk ayo ayr ays ayt baa bab bad bae bai bak bao bar bas bat bay bba bbb bbd bbe bbi bbk bbo bbr bbs bbt bby bda bdb bdd bde bdi bdk bdo bdr bds bdt bdy be- bea beb bed bee bei bek beo ber bes bet bey bi- bia bib bid bie bii bik bio bir bis bit biy bka bkb bke bkk bko bkr bks bkt boa bob bod boe boi bok boo bor bos bot boy bra brb brd bre bri brk bro brr brs brt bry bsa bsb bsd bse bsi bsk bso bsr bss bst bsy bta btb btd bte bti btk bto btr bts btt bty by- bya byd bye byi byk byo byr bys byt daa dab dad dae dai dak dao dar das dat day dba dbb dbd dbe dbi dbk dbo dbr dbs dbt dby dda ddb ddd dde ddi ddk ddo ddr dds ddt ddy de- dea deb ded dee dei dek deo der des det dey di- dia dib did die dii dik dio dir dis dit diy dka dkb dke dki dkk dko dkr dks dkt doa dob dod doe doi dok doo dor dos dot doy dra drb drd dre dri drk dro drr drs drt dry dsa dsb dsd dse dsi dsk dso dsr dss dst dsy dta dtb dtd dte dti dtk dto dtr dts dtt dty dy- dya dyb dyd dye dyk dyo dyr dys dyy eaa eab ead eae eai eak eao ear eas eat eba ebb ebd ebe ebi ebk ebo ebr ebs ebt eby ed- eda edb edd ede edi edk edo edr eds edt edy eea eeb eed eee eek eeo eer ees eet eey eia eib eid eie eii eik eio eir eis eit eka ekb ekd eke eki eko ekr eks ekt eky eo- eoa eob eod eoe eoi eok eoo eor eos eot era erb erd ere eri erk ero err ers ert ery es- esa esb esd ese esi esk eso esr ess est esy eta etb etd ete eti etk eto etr ets ett ety eya eyd eye eyo eyr eys eyt i-d ia- iaa iab iad iae iai iao iar ias iat iba ibb ibd ibe ibi ibk ibo ibr ibs ibt iby ida idb idd ide idi idk ido idr ids idt idy ie- iea ied iee iei iek ier ies iet iey iia iib iid iie iii iio iir iis iit ika ikb ike iki ikk iko ikr iks ikt io- ioa iob iod ioe ioi ioo ior ios iot ir- ira irb ird ire iri irk iro irr irs irt iry is- isa isb isd ise isi isk iso isr iss ist isy ita itb itd ite iti itk ito its itt ity iya iye iyo iyr iys iyt iyy k-t ka- kaa kab kad kae kai kak kao kar kas kat kay kba kbb kbd kbe kbi kbk kbo kbr kbs kda kdb kde kdk kdo kdr kds kdt kdy ke- kea keb ked kee kei kek keo ker kes ket key kia kib kid kie kii kik kio kir kis kit kkb kke kki kkk kkr kks kkt kky koa kob kod koe koi kok koo kor kos kot koy kra krd kri krk kro krr krs krt kry ksa ksb ksd kse ksi ksk kso ksr kss kst kta ktb kte ktk kto ktr kts ktt kya kyd kye kyo kyr kys kyt o-i oaa oab oad oae oai oak oao oar oas oat ob- oba obb obd obe obi obk obo obr obs obt oby oda odb odd ode odi odo odr ods odt oea oeb oed oee oei oeo oer oes oet oey oia oib oid oie oii oik oio oir ois oit oka okb okd oke oki okk oko okr oks oo- ooa oob ood ooi ook ooo oor oos oot or- ora orb ord ore ori ork oro orr ors ort ory os- osa osb osd ose osi osk oso osr oss ost ot- ota otb otd ote oti otk oto otr ots ott oya oyd oye oyi oyo oys ra- raa rab rad rae rai rak rao rar ras rat ray rba rbb rbd rbe rbi rbk rbo rbr rbs rbt rda rdb rdd rde rdi rdo rdr rds rdt rdy re- rea reb red ree rei rek reo rer res ret rey ria rib rid rie rii rik rio rir ris rit riy rkb rke rkk rko rks rkt rky roa rob rod roe roi rok roo ror ros rot roy rra rrb rrd rri rrk rrr rrs rrt rsa rsb rsd rse rsi rsk rso rsr rss rst rta rtb rtd rte rti rtk rto rtr rts rtt rty ry- rya ryd rye ryk ryo ryr rys ryy saa sab sad sae sai sak sao sar sas sat say sba sbb sbd sbe sbi sbk sbo sbr sbs sbt sby sda sdb sdd sde sdi sdk sdo sdr sds sdt sdy se- sea seb sed see sei sek seo ser ses set sey sia sib sid sie sii sik sio sir sis sit sk- ska skb skd ske ski skk sko skr sks skt sky soa sob sod soe soi sok soo sor sos sot soy sr-