-er a-a a-b a-i a-t aaa aab aae aai aam aao aar aat aav ab- aba abb abe abi abm abo abr abt abv aea aeb aee aei aem aeo aer aet aev ai- aia aib aie aii aim aio air ait aiv ama amb ame ami amm amo amr amt amv aoa aob aoe aoi aom aoo aor aot aov ar- ara arb are ari arm aro arr art arv at- ata atb ate ati atm ato atr att atv av- ava avb ave avi avm avo avr avt baa bab bae bai bam bao bar bat bav bba bbb bbe bbi bbm bbo bbr bbt be- bea beb bee bei bem beo ber bet bev bi- bia bib bie bii bim bio bir bit biv bma bmb bme bmi bmm bmo bmr bmt bmv boa bob boe boi bom boo bor bot bov bra brb bre bri brm bro brr brt brv bta btb bte bti btm bto btr btt btv bva bvb bve bvi bvm bvo bvr bvt bvv eaa eab eae eai eam eao ear eat eav eba ebb ebe ebi ebm ebo ebr ebt ebv eea eeb eee eem eeo eer eet eev eia eib eie eii eim eio eir eit eiv em- ema emb eme emi emm emo emr emt emv eo- eoa eob eoe eoi eom eoo eor eot era erb ere eri erm ero err ert erv eta etb ete eti etm eto etr ett etv eva evb eve evi evm evo evr evt evv i-v ia- iaa iab iae iai iam iao iar iat iav iba ibb ibe ibi ibm ibo ibr ibt ibv ie- iea iee iei iem ier iet iev iia iib iie iii iim iio iir iit im- ima imb ime imi imm imo imt imv io- ioa iob ioe ioi iom ioo ior iot iov ir- ira irb ire iri irm iro irr irt irv ita itb ite iti itm ito itt itv iva ivb ive ivi ivo ivr ivt ivv m-o m-r m-v maa mab mae mai mam mao mar mat mav mba mbb mbe mbi mbm mbo mbr mbt mbv mea meb mee mei mem meo mer met mev mi- mia mib mie mii mim mio mir mit miv mma mmb mme mmi mmm mmo mmr mmt mmv moa mob moe moi mom moo mor mot mov mra mrb mre mri mrm mro mrr mrt mrv mta mtb mte mti mtm mto mtr mtt mtv mva mvb mve mvi mvm mvo mvr mvt mvv o-i oaa oab oae oai oam oao oar oat oav ob- oba obb obe obi obm obo obr obt obv oea oeb oee oei oem oeo oer oet oia oib oie oii oim oio oir oit oiv om- oma omb ome omi omm omo omr omt omv oo- ooa oob ooi oom ooo oor oot oov or- ora orb ore ori orm oro orr ort orv ot- ota otb ote oti otm oto otr ott otv ov- ova ovb ove ovi ovo ovv ra- raa rab rae rai ram rao rar rat rav rba rbb rbe rbi rbm rbo rbr rbt re- rea reb ree rei rem reo rer ret rev ria rib rie rii rim rio rir rit riv rma rmb rme rmi rmm rmo rmr rmt rmv roa rob roe roi rom roo ror rot rov rra rrb rri rrm rrr rrt rta rtb rte rti rtm rto rtr rtt rtv rva rvb rve rvi rvm rvo rvr rvt rvv taa tab tae tai tam tao tar tat tav tba tbb tbe tbi tbm tbo tbr tbt tbv te- tea teb tee tei tem teo ter tet tev tia tib tie tii tim tio tir tit tiv tma tmb tme tmi tmm tmo tmr tmt tmv to- toa tob toe toi tom too tor tot tov tra trb tre tri trm tro trr trt trv tta ttb tte tti ttm tto ttr ttt ttv tva tvb tve tvi tvm tvo tvr tvt v-a v-e vaa vab vae vai vam vao var vat vav vba vbi vbm vbo vbr vbv vea veb vee vei vem veo ver vet vi- via vib vie vii vim vio vir vit viv vm- vma vmi vmm vmo vmr vmt voa vob voe voi vom voo vor vot vov vra vrb vre vri vrm vrr vrt vta vtb vte vti vtm vto vtr vtt vtv vva vvb vvi vvm vvo vvr vvt vvv

a-be a-ii a-iv aaaa aaab aaae aaai aaam aaar aaav aaba aabb aabi aabm aabt aaea aaem aaev aaib aaii aama aamb aame aami aamo aamr aaoe aaoo aara aare aari aarm aaro aart aata aatt aava abaa abab abae abai abam abar abat abb- abba abbb abbe abbi abbo abbr abbt abee aber abet abia abib abie abim abir abit abma abmb abmt aboa abob aboo abor abot abov abra abri abro abta abva aebi aeer aeio aeit aemt aeom aer- aera aeri aero aeta aeto aetr aett aeva aiai aiba aibo aiea aiee aiet aiia aiib aiir aime aimi aimm aimo aioi aira aire airi airo airt aita aite aiti aitr aitt aiva amaa amae amai amam amar amat amb- amba ambe ambi ambo ambr amee amei amer amet amia amib amie amii amir amit amm- amma amme ammi ammo amob amoi amoo amor amot amra amri amro amta amte amti amto aoba aoma aora aorb aort arab arae arai aram arar arat arba arbe arbi area aree arei arem areo aret arev aria arib arie arii arim ario arit arma arme armi armm armo armt aroa arob aroe aroi arom aroo aror arr- arra arre arri arro arrr arrt arta arte arti arto artr artv arva arve arvi arvo at-t ataa atab atae atai atar atat atea atee atei atem ateo ater atia atie atim atit atm- atma atme atmo atob atoe atoi atom ator atot atra atre atri atrm atro atta atte atti atto attr atvi avab avao avar avat avea aveo aver avia avie avim avio avit