-er -ey a-a a-b a-i a-t aaa aab aae aag aai aao aar aat aav aay ab- aba abb abe abg abi abo abr abt abv aby aea aeb aee aeg aei aeo aer aet aev aey ag- aga agb age agg agi ago agr agt agv agy ai- aia aib aie aig aii aio air ait aiv aiy aoa aob aoe aog aoi aoo aor aot aov ar- ara arb are arg ari aro arr art arv ary at- ata atb ate atg ati ato atr att atv av- ava avb ave avg avi avo avr avt avy ay- aya aye ayi ayo ayr ayt baa bab bae bag bai bao bar bat bav bay bba bbb bbe bbg bbi bbo bbr bbt bby be- bea beb bee beg bei beo ber bet bev bey bga bgb bge bgg bgi bgo bgr bgt bgv bi- bia bib bie big bii bio bir bit biv biy boa bob boe bog boi boo bor bot bov boy bra brb bre brg bri bro brr brt brv bry bta btb bte btg bti bto btr btt btv bty bva bvb bve bvg bvi bvo bvr bvt bvv by- bya bye byg byi byo byr byt eaa eab eae eag eai eao ear eat eav eba ebb ebe ebg ebi ebo ebr ebt ebv eby eea eeb eee eeg eeo eer eet eev eey ega egb ege egg egi ego egr egt egy eia eib eie eig eii eio eir eit eiv eo- eoa eob eoe eog eoi eoo eor eot era erb ere erg eri ero err ert erv ery eta etb ete etg eti eto etr ett etv ety eva evb eve evg evi evo evr evt evv evy eya eye eyo eyr eyt gaa gab gae gag gai gao gar gat gav gay gba gbe gbg gbi gbo gbr gbt gbv gby ge- gea geb gee geg gei geo ger get gev gey gga ggb ggg ggi ggo ggr ggt ggv gia gib gie gig gii gio gir git giv giy goa gob goe gog goi goo gor got gov goy gra grb gre grg gri gro grr grt grv gry gta gtb gte gtg gti gto gtr gtt gtv gty gva gvb gve gvg gvi gvo gvr gvt gy- gya gyb gye gyo gyr i-v ia- iaa iab iae iag iai iao iar iat iav iba ibb ibe ibg ibi ibo ibr ibt ibv iby ie- iea iee ieg iei ier iet iev iey iga igb ige igg igi igo igr igt igy iia iib iie iii iio iir iit io- ioa iob ioe iog ioi ioo ior iot iov ir- ira irb ire irg iri iro irr irt irv iry ita itb ite itg iti ito itt itv ity iva ivb ive ivg ivi ivo ivr ivt ivv ivy iya iye iyo iyr iyt iyy o-i oaa oab oae oag oai oao oar oat oav ob- oba obb obe obg obi obo obr obt obv oby oea oeb oee oeg oei oeo oer oet oey oga oge ogg ogi ogo ogt ogy oia oib oie oii oio oir oit oiv oo- ooa oob oog ooi ooo oor oot oov or- ora orb ore org ori oro orr ort orv ory ot- ota otb ote otg oti oto otr ott otv ov- ova ovb ove ovi ovo ovv oya oye oyi oyo ra- raa rab rae rag rai rao rar rat rav ray rba rbb rbe rbg rbi rbo rbr rbt re- rea reb ree reg rei reo rer ret rev rey rga rgb rge rgg rgi rgo rgr rgt rgv ria rib rie rig rii rio rir rit riv riy roa rob roe rog roi roo ror rot rov roy rra rrb rrg rri rrr rrt rta rtb rte rtg rti rto rtr rtt rtv rty rva rvb rve rvg rvi rvo rvr rvt rvv rvy ry- rya rye ryg ryo ryr ryy taa tab tae tag tai tao tar tat tav tay tba tbb tbe tbg tbi tbo tbr tbt tbv te- tea teb tee teg tei teo ter tet tev tey tga tgb tge tgg tgi tgo tgr tgt tgv tgy tia tib tie tig tii tio tir tit tiv tiy to- toa tob toe tog toi too tor tot tov toy tra trb tre trg tri tro trr trt trv try tta ttb tte ttg tti tto ttr ttt ttv tty tva tvb tve tvg tvi tvo tvr tvt tvy tya tye tyg tyo tyr tyt v-a v-e vaa vab vae vag vai vao var vat vav vay vba vbg vbi vbo vbr vbv vea veb vee veg vei veo ver vet vey vga vgg vgo vgr vgt vi- via vib vie vig vii vio vir vit viv viy voa vob voe vog voi voo vor vot vov voy vra vrb vre vrg vri vrr vrt vry vta vtb vte vtg vti vto vtr vtt vtv vty vva vvb vvg vvi vvo vvr vvt vvv vye vyg vyt yaa yab yae yag yai yao yar yat yav yay ybe ybg ybi ybr yby yea yeb yee yeg yei yeo yer yet yev yey yga ygo yie yig yii yio yir yit yob yoe yog yoi yoo yor yot yoy yra yre yrg yro yrt yta yte yto ytr ytt ytv yva yve yvi yvo yvr yvy yyb yye yyg yyt yyy