-er a-a a-b a-t aaa aab aad aae aar aat aav ab- aba abb abd abe abr abt abv ad- ada adb add ade adr adt adv aea aeb aed aee aer aet aev ar- ara arb ard are arr art arv at- ata atb atd ate atr att atv av- ava avb avd ave avr avt baa bab bad bae bar bat bav bba bbb bbd bbe bbr bbt bda bdb bdd bde bdr bdt bdv be- bea beb bed bee ber bet bev bra brb brd bre brr brt brv bta btb btd bte btr btt btv bva bvb bvd bve bvr bvt bvv daa dab dad dae dar dat dav dba dbb dbd dbe dbr dbt dbv dda ddb ddd dde ddr ddt de- dea deb ded dee der det dev dra drb drd dre drr drt drv dta dtb dtd dte dtr dtt dtv dva dvb dvd dve dvr dvt eaa eab ead eae ear eat eav eba ebb ebd ebe ebr ebt ebv ed- eda edb edd ede edr edt eea eeb eed eee eer eet eev era erb erd ere err ert erv eta etb etd ete etr ett etv eva evb evd eve evr evt evv ra- raa rab rad rae rar rat rav rba rbb rbd rbe rbr rbt rda rdb rdd rde rdr rdt rdv re- rea reb red ree rer ret rev rra rrb rrd rrr rrt rta rtb rtd rte rtr rtt rtv rva rvb rvd rve rvr rvt rvv taa tab tad tae tar tat tav tba tbb tbd tbe tbr tbt tbv tda tdb tdd tde tdr tdt tdv te- tea teb ted tee ter tet tev tra trb trd tre trr trt trv tta ttb ttd tte ttr ttt ttv tva tvb tvd tve tvr tvt v-a v-e vaa vab vad vae var vat vav vba vbd vbr vbv vdb vdd vde vdr vdt vdv vea veb ved vee ver vet vra vrb vrd vre vrr vrt vta vtb vte vtr vtt vtv vva vvb vvr vvt vvv

a-be aaaa aaab aaad aaae aaar aaav aaba aabb aabd aabt aada aade aadt aaea aaev aara aard aare aart aata aatt aava abaa abab abad abae abar abat abb- abba abbb abbe abbr abbt abda abed abee aber abet abra abta abva abvd adaa adab adad adae adar adat adba adda addd adde addr adea adeb adee ader adet adra adre adta advb advt aede aedt aeer aer- aera aerd aeta aetr aett aeva arab arad arae arar arat arba arbe arda arde area ared aree aret arev arr- arra arre arrr arrt arta arte artr artv arva arve at-t ataa atab atad atae atar atat atdt atea ated atee ater atra atre atta atte attr avab avar avat avda avea aver avra avre avva baaa baad baar baat baba babb babe babr bada badb badd bade badr baed baer bar- bara barb bard bare barr bart bata bate batt bava bave bbad bbbb bbdd bbeb bbet bd-r bdav bead bear beat beav beba bebb bebe beda bede beeb beed beer beet bera berd bere berr bert beta bete bett betv brab brad brae brat brav brda brdt brea breb bred bree brer bret brev brrr btaa btdt btrt bttb d-tv daab daad daae daar daba dabb dabt dada dade daeb daer dara darb dard dare darr dart data date datr datt dava dave dbar dbtt dddd ddre ddtv dead deae dear deba debe debt deda dedd dede deeb deed deer deet deev der- dera derb dere derr derv deta dete detr deva deve draa drab drad drar drat drba drda drea dred dree dret drev drra dtaa dted dvar dvda dvdr dvra eaba eada eadb eadd eara earb eard eare eart eata eate eave ebba ebbr ebed eber edad edar edda edde ede- edea eder edra edta edtv edve eede eeea eeee eera eeta eete eeva erad erat erba erbb erbe erda erde ereb ered erer eret erev erra erre erta erve etat etbr etee eter etra etre etta ette evae evar evat evdb evea ever evet evra evre raab raad raat raba rabb rabe rada radd rade radr radt raed raer rara rarb rare rata rate ratt rava rave rbbb rbbr rder rdev rea- read reae rear reat reba rebb rebe reda redd rede redr reeb reed reet reev rera rerd rere rert reta retd rete retr rett reva revd reve rrad rrat rred rrrr rtdt rtee rtva rtve rved rver taa- taar taat taba tabb tabe tada tade taer tara tarb tard tare tarr tart tata tatb tate tatr tatt tatv tava tave tbar tbrb tbta tddb tdra tdtv tead tear teat teba teda tedd tede teed teer teet teev ter- tera tere terr teta tete tetr tett teva traa trab trad trae trat trav tre- trea tred tree tret trev trra trte trtr ttab ttbb tter tttt tvad tver tvrr tvtv vaad vaar vaat vada vade vara vard vare varr vart vata vate vatt vava vder vdre vear veat veba veda vede veer veet ver- vera verb verd vere vert veta vete vetr veve vrav vrba vred vret vver vvvv

-aaa- -abad -tree aaaee aaata aabaa aabba aabra aadat abaab ababa ababe abada abade abaer abara abare abate abava abave abbad abbar abbat abbed abbet abdet abead abear abeat abeba abebe abede abeed abeer abeet abera abere aberr abert abrad abrar abtaa abtar adaba adabe adada adara adare adata adate adava adber addae addea added adder addra adead adear adebt adeeb adeed adeer adeta adeva adeve adrad adrar adree adret aeaea aebbe aerdt aered aerva aetat aeter ar-ab araat arab- araba arabe arada araea arara arare arata arate arava arave arbab arbar arbat arbed arbee arber arbet arbre ardab ardea ardeb ardee arder ardra ardre aread areae arear areat arede areed areet arere arete arett areva arrea arret artar artat artea arted arter arvad arvar atara atbar atbat atear ateat ateed ater- aterr atete ateve atrab atred atree attar attea atter attra atvr