-er a-a a-b a-t aaa aab aae aaf aak aan aao aar aas aat ab- aba abb abe abf abk abn abo abr abs abt aea aeb aee aef aek aen aeo aer aes aet af- afa afb afe aff afk afn afo afr afs aft aka akb ake akk akn ako akr aks an- ana anb ane anf ank ann ano anr ans ant aoa aob aoe aof aok aon aoo aor aos aot ar- ara arb are arf ark arn aro arr ars art as- asa asb ase asf ask asn aso asr ass ast at- ata atb ate atf atn ato atr ats att baa bab bae baf bak ban bao bar bas bat bba bbb bbe bbf bbk bbn bbo bbr bbs bbt be- bea beb bee bef bek ben beo ber bes bet bfa bfb bfe bff bfn bfo bfr bfs bft bka bkb bke bkf bkk bkn bko bkr bks bkt bna bnb bne bnf bnk bnn bno bnr bns bnt boa bob boe bof bok bon boo bor bos bot bra brb bre brf brk brn bro brr brs brt bsa bsb bse bsf bsk bsn bso bsr bss bst bta btb bte btf btk btn bto btr bts btt eaa eab eae eaf eak ean eao ear eas eat eba ebb ebe ebf ebk ebn ebo ebr ebs ebt eea eeb eee eef eek een eeo eer ees eet ef- efa efb efe eff efo efr efs eft eka ekb eke ekf eko ekr eks ekt en- ena enb ene enf enk enn eno enr ens ent eo- eoa eob eoe eof eok eon eoo eor eos eot era erb ere erf erk ern ero err ers ert es- esa esb ese esf esk esn eso esr ess est eta etb ete etf etk etn eto etr ets ett faa fab fae faf fak fan fao far fas fat fba fbb fbe fbf fbk fbn fbo fbr fbs fbt fea feb fee fef fek fen feo fer fes fet ffa ffe fff ffk ffn ffo ffr ffs fft fka fkb fkf fkk fkt fna fnb fne fnf fnk fnn fnr fns fnt foa fob foe fof fok fon foo for fos fot fra frb fre frf frk frn fro frr frs frt fsa fsb fse fsf fsk fsn fso fsr fss fst fta ftb fte ftf ftk ftn fto ftr fts ftt k-t ka- kaa kab kae kaf kak kan kao kar kas kat kba kbb kbe kbf kbk kbn kbo kbr kbs ke- kea keb kee kef kek ken keo ker kes ket kfa kff kfo kfs kkb kke kkk kkn kkr kks kkt kn- kna kne knf knk knn kno knr knt koa kob koe kof kok kon koo kor kos kot kra krf krk krn kro krr krs krt ksa ksb kse ksf ksk ksn kso ksr kss kst kta ktb kte ktf ktk ktn kto ktr kts ktt naa nab nae naf nak nan nao nar nas nat nba nbb nbe nbf nbk nbn nbo nbr nbs nbt ne- nea neb nee nef nek nen neo ner nes net nfa nfb nfe nff nfk nfn nfo nfr nfs nft nka nke nkf nkk nkn nko nkr nks nkt nna nnb nne nnf nnk nnn nno nns nnt no- noa nob noe nof nok non noo nor nos not nra nrb nre nrf nrk nrn nro nrr nrs nrt nsa nsb nse nsf nsk nsn nso nsr nss nst nta ntb nte ntf ntk ntn nto ntr nts ntt oaa oab oae oaf oak oan oao oar oas oat ob- oba obb obe obf obk obn obo obr obs obt oea oeb oee oef oen oeo oer oes oet of- ofa ofb ofe off ofn ofo ofr ofs oft oka okb oke okk oko okr oks on- ona onb one onf onk onn ono onr ons ont oo- ooa oob oof ook oon ooo oor oos oot or- ora orb ore orf ork orn oro orr ors ort os- osa osb ose osf osk osn oso osr oss ost ot- ota otb ote otf otk otn oto otr ots ott ra- raa rab rae raf rak ran rao rar ras rat rba rbb rbe rbf rbk rbn rbo rbr rbs rbt re- rea reb ree ref rek ren reo rer res ret rfa rfb rfe rff rfk rfn rfo rfr rfs rft rkb rke rkf rkk rko rks rkt rna rnb rnn rno rnr rns rnt roa rob roe rof rok ron roo ror ros rot rra rrb rrf rrk rrn rrr rrs rrt rsa rsb rse rsf rsk rsn rso rsr rss rst rta rtb rte rtf rtk rtn rto rtr rts rtt saa sab sae saf sak san sao sar sas sat sba sbb sbe sbf sbk sbn sbo sbr sbs sbt se- sea seb see sef sek sen seo ser ses set sfa sfb sfe sff sfk sfn sfo sfr sfs sft sk- ska skb ske skf skk sko skr sks skt sna snb sne snf snk snn sno snr sns snt soa sob soe sof sok son soo sor sos sot sr- sra srb sre srf srk srn sro srr srs srt ss- ssa ssb sse ssf ssk ssn sso ssr sss sst sta stb ste stf stk stn sto str sts stt taa tab tae taf tak tan tao tar tas tat tba tbb tbe tbf tbk tbn tbo tbr tbs tbt te- tea teb tee tef tek ten teo ter tes tet tfa tfb tfe tff tfk tfn tfo tfr tfs tft tka tkb tke tkk tko tkr tks tkt tna tnb tne tnf tnk tnn tno tnr tns tnt to- toa tob toe tof tok ton too tor tos tot tra trb tre trf trk trn tro trr trs trt tsa tsb tse tsf tsk tsn tso tsr tss tst tta ttb tte ttf ttk ttn tto ttr tts ttt

-ana -ane -ase -ene -one -ose a-ak a-be a-ok aaaa aaab aaae