-er -ji a-a a-b a-i a-t aaa aab aae aai aaj aao aar aas aat ab- aba abb abe abi abj abo abr abs abt aea aeb aee aei aej aeo aer aes aet ai- aia aib aie aii aio air ais ait aja ajb aje aji ajj ajo ajr ajs ajt aoa aob aoe aoi aoj aoo aor aos aot ar- ara arb are ari arj aro arr ars art as- asa asb ase asi asj aso asr ass ast at- ata atb ate ati ato atr ats att baa bab bae bai baj bao bar bas bat bba bbb bbe bbi bbo bbr bbs bbt be- bea beb bee bei beo ber bes bet bi- bia bib bie bii bij bio bir bis bit bja bji bjj bjr bjs bjt boa bob boe boi boj boo bor bos bot bra brb bre bri brj bro brr brs brt bsa bsb bse bsi bsj bso bsr bss bst bta btb bte bti bto btr bts btt eaa eab eae eai eaj eao ear eas eat eba ebb ebe ebi ebj ebo ebr ebs ebt eea eeb eee eeo eer ees eet eia eib eie eii eij eio eir eis eit eja eji ejo ejt eo- eoa eob eoe eoi eoo eor eos eot era erb ere eri ero err ers ert es- esa esb ese esi eso esr ess est eta etb ete eti etj eto etr ets ett ia- iaa iab iae iai iao iar ias iat iba ibb ibe ibi ibj ibo ibr ibs ibt ie- iea iee iei iej ier ies iet iia iib iie iii iij iio iir iis iit ija ijb ije iji ijo ijs ijt io- ioa iob ioe ioi ioj ioo ior ios iot ir- ira irb ire iri irj iro irr irs irt is- isa isb ise isi isj iso isr iss ist ita itb ite iti itj ito its itt j-i jaa jab jae jai jaj jao jar jas jat jba jbi jbj jbo jbr jbs jbt jea jeb jee jei jej jeo jer jes jet jia jib jie jii jij jio jir jis jit jja jjb jjj jjr jjs joa job joe joi joj joo jor jos jot jra jrb jri jro jrr jrs jrt jsa jsb jse jsi jsj jso jsr jss jst jta jtb jte jti jtr jts jtt o-i oaa oab oae oai oaj oao oar oas oat ob- oba obb obe obi obj obo obr obs obt oea oeb oee oei oeo oer oes oet oia oib oie oii oio oir ois oit oja ojb oje oji ojo ojs oo- ooa oob ooi ooo oor oos oot or- ora orb ore ori oro orr ors ort os- osa osb ose osi osj oso osr oss ost ot- ota otb ote oti oto otr ots ott ra- raa rab rae rai raj rao rar ras rat rba rbb rbe rbi rbo rbr rbs rbt re- rea reb ree rei reo rer res ret ria rib rie rii rio rir ris rit rja rjr roa rob roe roi roj roo ror ros rot rra rrb rri rrr rrs rrt rsa rsb rse rsi rsj rso rsr rss rst rta rtb rte rti rtj rto rtr rts rtt saa sab sae sai saj sao sar sas sat sba sbb sbe sbi sbj sbo sbr sbs sbt se- sea seb see sei sej seo ser ses set sia sib sie sii sij sio sir sis sit sja sjb sje sji sjj sjr sjs sjt soa sob soe soi soj soo sor sos sot sr- sra srb sre sri srj sro srr srs srt ss- ssa ssb sse ssi ssj sso ssr sss sst sta stb ste sti stj sto str sts stt taa tab tae tai taj tao tar tas tat tba tbb tbe tbi tbj tbo tbr tbs tbt te- tea teb tee tei tej teo ter tes tet tia tib tie tii tio tir tis tit tje tji tjo tjr tjs to- toa tob toe toi toj too tor tos tot tra trb tre tri tro trr trs trt tsa tsb tse tsi tsj tso tsr tss tst tta ttb tte tti tto ttr tts ttt