-er a-a a-b aaa aab aad aae aak aar aav ab- aba abb abd abe abk abr abv ad- ada adb add ade adk adr adv aea aeb aed aee aek aer aev aka akb akd ake akk akr akv ar- ara arb ard are ark arr arv av- ava avb avd ave avk avr baa bab bad bae bak bar bav bba bbb bbd bbe bbk bbr bda bdb bdd bde bdk bdr bdv be- bea beb bed bee bek ber bev bka bkb bke bkk bkr bkv bra brb brd bre brk brr brv bva bvb bvd bve bvk bvr bvv daa dab dad dae dak dar dav dba dbb dbd dbe dbk dbr dbv dda ddb ddd dde ddk ddr de- dea deb ded dee dek der dev dka dkb dke dkk dkr dra drb drd dre drk drr drv dva dvb dvd dve dvk dvr eaa eab ead eae eak ear eav eba ebb ebd ebe ebk ebr ebv ed- eda edb edd ede edk edr eea eeb eed eee eek eer eev eka ekb ekd eke ekr ekv era erb erd ere erk err erv eva evb evd eve evr evv ka- kaa kab kad kae kak kar kav kba kbb kbd kbe kbk kbr kda kdb kde kdk kdr ke- kea keb ked kee kek ker kev kkb kke kkk kkr kkv kra krd krk krr krv kva kvb kvk kvr kvv ra- raa rab rad rae rak rar rav rba rbb rbd rbe rbk rbr rda rdb rdd rde rdr rdv re- rea reb red ree rek rer rev rkb rke rkk rkv rra rrb rrd rrk rrr rva rvb rvd rve rvr rvv v-a v-e vaa vab vad vae vak var vav vba vbd vbk vbr vbv vdb vdd vde vdk vdr vdv vea veb ved vee vek ver vka vkb vra vrb vrd vre vrk vrr vva vvb vvr vvv

a-ak a-be aaaa aaab aaad aaae aaar aaav aaba aabb aabd aada aade aaea aaev aaka aake aara aard aare aava abaa abab abad abae abak abar abb- abba abbb abbe abbr abda abed abee aber abra abva abvd adaa adab adad adae adak adar adba adda addd adde addr adea adeb adee ader adra adre advb aede aeer aeka aer- aera aerd aeva akaa akae akar aked akee aker akka akr- akra akre arab arad arae arak arar arba arbe arda arde area ared aree arek arev arka arke arr- arra arre arrk arrr arva arve avab avar avda avea aver avra avre avva baaa baad baak baar baba babb babe babr bada badb badd bade badr baed baek baer bak- baka bake bakr bar- bara barb bard bare bark barr bava bave bbad bbbb bbdd bbeb bd-r bdav bead beak bear beav beba bebb bebe beda bede beeb beed beek beer beka beke bera berd bere berk berr brab brad brae brak brav brda brea breb bred bree brek brer brev brka brkb brrr daab daad daae daar daba dabb dada dade daeb daer daka dake dara darb dard dare dark darr dava dave dbar dddd ddre dead deae deak dear deba debe deda dedd dede deeb deed deek deer deev dek- deka deke der- dera derb dere derk derr derv deva deve dkba draa drab drad drak drar drba drda drea dred dree drek drev drra dvar dvda dvdr dvra eaba eada eadb eadd eara earb eard eare eave ebba ebbr ebed eber edad edar edda edde ede- edea eder edra edve eede eeea eeee eeka eeke eera eeva eka- ekab ekeb eked ekek eker ekka erad erba erbb erbe erda erde ereb ered erer erev erke erra erre erve evae evar evdb evea ever evra evre evvk kaaa kaab kaak kaar kaba kabb kabd kabe kabr kad- kada kadd kade kadr kadv kaer kaka kake kakk kara karb kard kare kark karr karv kava kavb kave kavv kbaa kbab kbad kbae kbak kbar kbba kbbb kbbd kbbe kbbk kbbr kbdb kbde kbdr kbdv kbeb kbed kbee kbek kber kbev kbkb kbkk kbkr kbkv kbra kbrb kbrd kbre kbrk kbrv kbva kbvb kbvr kdaa kdab kdad kdae kdak kdar kdav kdbb kdbr kdbv kddb kddd kddk kddr kdeb kdka kdkb kdkd kdkk kdkr kdrb kdrv kdva kdvb kdvr kdvv kea- kead keak kear keba kebb kebe kebr keda kedb kedd kede kedr keed keek keer keka kekb keke ker- kera kerb kere kerk kerr kerv keva keve kkaa kkar kkba kkbb kkbd kkbe kkbr kkda kkdd kkdv kkea kked kkkk kkrb kkre kkrk kkrr kkrv kkvr kkvv krab krad krae krak krar krav krba krbb krbd krbe krbk krbr krda krdd krde krdr krea kreb kred kree krek krev krka krkd krke krkk krkr krkv krrb krre krrk krrr krva krvb krve krvk krvr krvv kvab kvak kvar kvbr kvda kvea kver kvra kvre kvrr kvrv kvvr kvvv raab raad raak raba rabb rabe rabk rada radd rade radr raed raer raka rake rakk rara rarb rare rark rava rave rbbb rbbr rder rdev rea- read reae reak rear reba rebb rebe rebk reda redd rede redr reeb reed reek reev reka reke rera rerd rere reva revd reve rrad rred rrrr rved rver vaad vaar vada vade vaka vake vara vard vare vark varr vava vder vdre veak vear veba veda vede veer veka veke ver- vera verb verd vere verk veve vrak vrav vrba vred vver vvvv

-aaa- -abad aaaee aabaa aabba aabra aaker aakre abaab ababa ababe abada abade abaer abaka abake abara abare abava abave abbad abbar abbed abead abear abeba abebe abede abeed abeer abekr abera abere aberr abkar abrad abrak abrar abrek adaba adabe adada adaka adara adare adark adava adber addae addea added adder addra adead adear adeeb adeed adeer adeva adeve adkar adrad adrar adree aeaea aebbe aered aerva aka-e akaba akard akare akbar akeda akera akerd akkad akker akkra akrak akrar ar-ab arab- araba arabe arada araea arake arara arare arava arave arbab arbar arbed arbee arber arbre ardab