-er a-a a-b a-i a-t aaa aab aae aaf aai aak aam aao aar aat ab- aba abb abe abf abi abk abm abo abr abt aea aeb aee aef aei aek aem aeo aer aet af- afa afb afe aff afi afk afm afo afr aft ai- aia aib aie aif aii aik aim aio air ait aka akb ake aki akk akm ako akr ama amb ame amf ami amk amm amo amr amt aoa aob aoe aof aoi aok aom aoo aor aot ar- ara arb are arf ari ark arm aro arr art at- ata atb ate atf ati atm ato atr att baa bab bae baf bai bak bam bao bar bat bba bbb bbe bbf bbi bbk bbm bbo bbr bbt be- bea beb bee bef bei bek bem beo ber bet bfa bfb bfe bff bfi bfm bfo bfr bft bi- bia bib bie bif bii bik bim bio bir bit bka bkb bke bkf bkk bkm bko bkr bkt bma bmb bme bmf bmi bmk bmm bmo bmr bmt boa bob boe bof boi bok bom boo bor bot bra brb bre brf bri brk brm bro brr brt bta btb bte btf bti btk btm bto btr btt eaa eab eae eaf eai eak eam eao ear eat eba ebb ebe ebf ebi ebk ebm ebo ebr ebt eea eeb eee eef eek eem eeo eer eet ef- efa efb efe eff efi efm efo efr eft eia eib eie eif eii eik eim eio eir eit eka ekb eke ekf eki eko ekr ekt em- ema emb eme emf emi emk emm emo emr emt eo- eoa eob eoe eof eoi eok eom eoo eor eot era erb ere erf eri erk erm ero err ert eta etb ete etf eti etk etm eto etr ett faa fab fae faf fai fak fam fao far fat fba fbb fbe fbf fbi fbk fbm fbo fbr fbt fea feb fee fef fei fek fem feo fer fet ffa ffe fff ffi ffk ffm ffo ffr fft fia fib fie fif fii fik fim fir fit fka fkb fkf fki fkk fkm fkt fma fmb fme fmf fmi fmm fmo fmr fmt foa fob foe fof foi fok fom foo for fot fra frb fre frf fri frk frm fro frr frt fta ftb fte ftf fti ftk ftm fto ftr ftt i-f ia- iaa iab iae iaf iai iam iao iar iat iba ibb ibe ibf ibi ibk ibm ibo ibr ibt ie- iea iee ief iei iek iem ier iet ifa ifb ife iff ifi ifm ifo ifr ift iia iib iie iif iii iim iio iir iit ika ikb ike ikf iki ikk iko ikr ikt im- ima imb ime imf imi imm imo imt io- ioa iob ioe iof ioi iom ioo ior iot ir- ira irb ire irf iri irk irm iro irr irt ita itb ite itf iti itk itm ito itt k-t ka- kaa kab kae kaf kai kak kam kao kar kat kba kbb kbe kbf kbi kbk kbm kbo kbr ke- kea keb kee kef kei kek kem keo ker ket kfa kff kfi kfm kfo kia kib kie kif kii kik kim kio kir kit kkb kke kki kkk kkm kkr kkt kma kmb kme kmf kmi kmk kmm kmo kmt koa kob koe kof koi kok kom koo kor kot kra krf kri krk kro krr krt kta ktb kte ktf ktk ktm kto ktr ktt m-f m-o m-r maa mab mae maf mai mak mam mao mar mat mba mbb mbe mbf mbi mbk mbm mbo mbr mbt mea meb mee mef mei mek mem meo mer met mfa mfb mfe mff mfi mfm mfo mfr mft mi- mia mib mie mif mii mik mim mio mir mit mka mkb mke mkk mkm mko mkr mkt mma mmb mme mmf mmi mmk mmm mmo mmr mmt moa mob moe mof moi mok mom moo mor mot mra mrb mre mrf mri mrk mrm mro mrr mrt mta mtb mte mtf mti mtk mtm mto mtr mtt o-i oaa oab oae oaf oai oak oam oao oar oat ob- oba obb obe obf obi obk obm obo obr obt oea oeb oee oef oei oem oeo oer oet of- ofa ofb ofe off ofi ofm ofo ofr oft oia oib oie oif oii oik oim oio oir oit oka okb oke oki okk oko okr om- oma omb ome omf omi omm omo omr omt oo- ooa oob oof ooi ook oom ooo oor oot or- ora orb ore orf ori ork orm oro orr ort ot- ota otb ote otf oti otk otm oto otr ott ra- raa rab rae raf rai rak ram rao rar rat rba rbb rbe rbf rbi rbk rbm rbo rbr rbt re- rea reb ree ref rei rek rem reo rer ret rfa rfb rfe rff rfi rfk rfm rfo rfr rft ria rib rie rif rii rik rim rio rir rit rkb rke rkf rkk rkm rko rkt rma rmb rme rmf rmi rmm rmo rmr rmt roa rob roe rof roi rok rom roo ror rot rra rrb rrf rri rrk rrm rrr rrt rta rtb rte rtf rti rtk rtm rto rtr rtt taa tab tae taf tai tak tam tao tar tat tba tbb tbe tbf tbi tbk tbm tbo tbr tbt te- tea teb tee tef tei tek tem teo ter tet tfa tfb tfe tff tfi tfk tfm tfo tfr tft tia tib tie tif tii tik tim tio tir tit tka tkb tke tkk tkm tko tkr tkt tma tmb tme tmf tmi tmk tmm tmo tmr tmt to- toa tob toe tof toi tok tom too tor tot tra trb tre trf tri trk trm tro trr trt tta ttb tte ttf tti ttk ttm tto ttr ttt

a-ak a-be a-ii a-ok aaaa aaab aaae aaaf aaai aaam aaar aaba aabb aabi aabm aabt aaea aaem