-er a-a a-b a-q aaa aab aae aan aaq aar aas aau aav ab- aba abb abe abn abq abr abs abu abv aea aeb aee aen aeq aer aes aeu aev an- ana anb ane ann anq anr ans anu anv aqa aqn aqr aqs ar- ara arb are arn arq arr ars aru arv as- asa asb ase asn asq asr ass asu asv au- aua aub aue aun aur aus auv av- ava avb ave avn avq avr avs avu b-u baa bab bae ban baq bar bas bau bav bba bbb bbe bbn bbq bbr bbs bbu be- bea beb bee ben beq ber bes beu bev bna bnb bne bnn bnr bns bnu bnv bqe bra brb bre brn brq brr brs bru brv bsa bsb bse bsn bsr bss bsu bsv bua bub bue bun bur bus buu bva bvb bve bvn bvr bvs bvu bvv eaa eab eae ean ear eas eau eav eba ebb ebe ebn ebq ebr ebs ebu ebv eea eeb eee een eer ees eev en- ena enb ene enn enr ens enu env eqa eqe eqn eqq eqs equ eqv era erb ere ern erq err ers eru erv es- esa esb ese esn esq esr ess esu esv eu- eua eub eue eun eur eus euv eva evb eve evn evr evs evv naa nab nae nan nar nas nau nav nba nbb nbe nbn nbr nbs nbu nbv ne- nea neb nee nen ner nes neu nev nna nnb nne nnn nns nnu nnv nqs nra nrb nre nrn nrr nrs nru nrv nsa nsb nse nsn nsr nss nsu nsv nua nub nue nun nuq nur nus nuu nuv nva nvb nve nvn nvu nvv qaa qan qar qas qau qba qbe qbq qbs qee qen qnb qne qns qqq qqu qra qrb qre qrs qru qsa qsr qu- qua que qur qus qv- qve ra- raa rab rae ran raq rar ras rau rav rba rbb rbe rbn rbr rbs rbu re- rea reb ree ren req rer res reu rev rna rnb rnn rnr rns rnu rnv rqn rqs rra rrb rrn rrq rrr rrs rru rsa rsb rse rsn rsq rsr rss rsu rsv rua rub rue run rur rus ruu ruv rva rvb rve rvn rvr rvs rvu rvv saa sab sae san saq sar sas sau sav sba sbb sbe sbn sbq sbr sbs sbu sbv se- sea seb see sen seq ser ses seu sev sna snb sne snn snr sns snu snv sqa sqn sqq sqr sqs sr- sra srb sre srn srq srr srs srv ss- ssa ssb sse ssn ssq ssr sss ssu ssv sua sub sue sun suq sur sus suu suv sva svb sve svn svq svr svs svu svv ua- uaa uab uae uan uaq uar uas uau uav uba ubb ube ubn ubr ubs ubu ubv uea ueb uee uen uer ues un- una unb une unn unq unr uns unu unv ur- ura urb ure urn urr urs uru usa usb use usn usr uss usu usv uua uue uun uur uus uuu uva uvb uve uvs uvu uvv v-a v-e vaa vab vae van var vas vau vav vba vbr vbs vbv vea veb vee ven ver ves veu vn- vna vnr vns vnu vnv vqa vra vrb vre vrn vrr vrs vru vsa vsb vse vsn vsr vss vsu vsv vue vur vus vuv vva vvb vvr vvs vvv