-vac a-be a-ha aaaa aaab aaac aaae aaah aaar aaav aaba aabb aabc aabh aaca aacb aacc aace aach aaco aacr aacv aaea aaec aaev aaha aaoe aaoo aara aarc aare aaro aava abaa abab abac abae abar abb- abba abbb abbe abbo abbr abca abcb abcc abch abcr abec abee aber abha abho abhr aboa abob aboh aboo abor abov abra abrc abro abva acaa acab acac acae acar acba acca accc acce acch acco ace- acea acec aceh acer acev acha ache achh acho achr acoa acoe acoh acor acr- acra acrc acre acro acrr acrv acvv aeac aecb aeer aer- aera aerc aero aeva ahab ahac ahah ahar ahha ahoa ahoe ahor ahra ahrc ahre ahrr ahva aoah aoba aoca aoce aora aorb arab arac arae arah arar arba arbe arbh arc- arca arce arch arco area arec aree areh areo arev arh- aroa arob aroe aroo aror arr- arra arrc arre arrh arro arrr arva arve arvo avab avao avar avcc avce avco avea avec aveh aveo aver avor avra avre avro avva avvo baaa baah baar baba babb babe babo babr bac- baca bacc bace bach baco baer baha baho bahr baoh bar- bara barb barc bare barh baro barr bava bave bbbb bbch bbeb bbrc bcaa bcar bcbc bcca bccc bcec bcer bche bcor bcra bcvo beah bear beav beba bebb bebe bebo beca bech beeb beer behr beo- beor bera berc bere bero berr bevo bhao bhar bhca bhcc bher bhor bhra boab boac boar boba bobb bobe bobo boca boce boch boco boea boec boee boeo boer boha boho bohr boob booc booe booh boor bor- bora bore borh boro borr bova bove bovo brab brac brae brah brao brav brca brcb brce brea breb brec bree breo brer brev broa brob broc broe broh broo bror brrr c-bo caaa caab caac caah caba cabe cabo cac- caca cacc cace cach caco cacr caec caer caha cahe caor cara carb carc care caro carr cava cave cavo cbac cbar cbbc cbca cbcc cbce cbcr cbea cbec cbee cber cbha cbre cbrh cbva cbvb cbve cbvr ccaa ccab ccac ccar ccba ccbc ccca cccb cccc cccv ccee ccha cche cchr ccob ccoc ccra ccrc ccre ccvo ceac cear ceba cec- ceca cece ceco ceeb ceec ceor cer- cera cerc cere cero ceva cevo chaa chab chac chae chah chao char chav chca chce chch chea cheb chec chee cheh cher chev chha choc choh choo chor chov chra chrb chrc chro chrr chvo coba cobb cobe cobh cobo coca coce coch coco coha coho coob cooh cor- cora corb corc core coro corr cova cove covo crab crac crar crbc crca crcc crce crcr cre- crea creb crec cree creh creo crob croc croe croh croo cror cvac cvar cvca cvcc cver cvra cvrr eaba eabh eaca eacc each eaec eara earb eare earh earo eave ebac ebba ebbc ebbo ebbr ebcc eber eboe eboo ebor ebro ecaa ecac ecao ecar ecbc ecbe ecca eccb eccc ecce ecco echa eche echo eco- ecra ecrc ecrr ecrv eeca eeea eeee eeoc eera eerc eero eeva ehaa ehav ehcc ehea eheh eher ehre eora eore erba erbb erbe erca ercc erce erch ereb erec erer erev erhc erob eroc eroe eroo erra errc erre erro erve evac evae evah evar evea ever evoe evoo evra evre haab haar haba habe habo hace haco haec haha haho haor hara harc hare harh haro harr harv hava have hbar hboc hcbc hcca hccb hccc hcch heah hear hebb hebe hebo hebr heca hech heeb heer hehe heho heor hera herb herc here hero herr heve hhaa hhhh hoac hoar hoba hobe hobo hoca hoce hoch hocr hoer hoha hohe hoho hooe hoor hora horc hore horo horr hova hove hrac hree hrob hrrc hvac hvar hvcc o-eo oaer oahe oara oare obba obbo obea obec ober oboe obor obra obre obrh obro ocab ocac ocbc occa occc oce ocee ocha oche ocra ocre ocro ocrr oec- oeca oecc oeec oera oere ohba ohbe ohcc ohee oher ohho ohob ohoh ohra ohre ooaa ooba oobe oocr ooer ooha ooho oooh oooo oora oore orab orac orae orah orao orar orav orba orbb orbe orbo orca orce orch orco ore- orea oreb orec oreh oreo orer orhe oro- oroe oror orra orro orve orvr ovar ovee over ovo- ovoo ovra ovre raab raba rabb rabe rabo rac- raca racc race rach raco racv raec raer raha rahe rahr raob raoc raoh rara rarb rare raro rava rave rbbb rbbr rboh rcac rcbc rcbo rccb rccc rchb rcvr rea- reac reae reao rear reba rebb rebe rebo reca recc rece rech recr reeb reev reha rehb rehe rera rere rero reva reve revo rhae rhce rhea rheb rhee rheo rhoa rhob rhoc rhoh roab roar rob- roba robb robe robo roca rocc roce roch roco roea roer roev roha rohe rohr roob roor rora rorc rore roro rova rove rovo rrah rrrr rv-c rvca rver rvvh vaar vaca vace vach vaco vahe vaho vara vare varr vava vbcc vche vear veba vecc vech veer veho veoh veor ver- vera verb vere vero veve vevo vhhh voar voca voce voer voho vooc voor vor- vora vore voro vrac vrav vrba vreo vrhe vroc vver vvob vvvv