-er a-a a-b aaa aab aae aah aak aao aar aav ab- aba abb abe abh abk abo abr abv aea aeb aee aeh aek aeo aer aev aha ahb ahe ahh ahk aho ahr ahv aka akb ake akh akk ako akr akv aoa aob aoe aoh aok aoo aor aov ar- ara arb are arh ark aro arr arv av- ava avb ave avh avk avo avr baa bab bae bah bak bao bar bav bba bbb bbe bbh bbk bbo bbr be- bea beb bee beh bek beo ber bev bha bhb bhe bhh bhk bho bhr bhv bka bkb bke bkk bko bkr bkv boa bob boe boh bok boo bor bov bra brb bre brh brk bro brr brv bva bvb bve bvh bvk bvo bvr bvv eaa eab eae eah eak eao ear eav eba ebb ebe ebh ebk ebo ebr ebv eea eeb eee eek eeo eer eev eha ehb ehe ehh eho ehr ehv eka ekb eke ekh eko ekr ekv eo- eoa eob eoe eoh eok eoo eor era erb ere erh erk ero err erv eva evb eve evh evo evr evv haa hab hae hah hak hao har hav hba hbb hbe hbh hbk hbo hbr hbv he- hea heb hee heh hek heo her hev hha hhb hhe hhh hhk hho hhr hhv hka hkb hkh hkk hko hkr hoa hob hoe hoh hok hoo hor hov hr- hra hrb hre hrh hrk hro hrr hrv hv- hva hvb hvk hvo hvr hvv ka- kaa kab kae kah kak kao kar kav kba kbb kbe kbh kbk kbo kbr ke- kea keb kee keh kek keo ker kev kha khe khh khk kho khr khv kkb kke kkh kkk kkr kkv koa kob koe koh kok koo kor kra krk kro krr krv kva kvb kvh kvk kvo kvr kvv oaa oab oae oah oak oao oar oav ob- oba obb obe obh obk obo obr obv oea oeb oee oeh oeo oer oha ohe ohh oho ohr oka okb oke okk oko okr oo- ooa oob ooh ook ooo oor oov or- ora orb ore orh ork oro orr orv ov- ova ovb ove ovh ovo ovv ra- raa rab rae rah rak rao rar rav rba rbb rbe rbh rbk rbo rbr re- rea reb ree reh rek reo rer rev rh- rha rhb rhe rhh rho rhr rhv rkb rke rkk rko rkv roa rob roe roh rok roo ror rov rra rrb rrh rrk rrr rva rvb rve rvh rvo rvr rvv v-a v-e vaa vab vae vah vak vao var vav vba vbh vbk vbo vbr vbv vea veb vee veh vek veo ver vh- vha vhb vhe vho vka vkb voa vob voe voh vok voo vor vov vra vrb vre vrh vrk vrr vva vvb vvo vvr vvv

a-ak a-be a-ha a-ok aaaa aaab aaae aaah aaar aaav aaba aabb aabh aaea aaev aaha aahk aaka aake aaoe aaoo aara aare aaro aava abaa abab abae abak abar abb- abba abbb abbe abbo abbr abee aber abha abho abhr aboa abob aboh abok aboo abor abov abra abro abva aeer aeka aer- aera aero aeva ahab ahah ahar ahha ahoa ahoe ahok ahor ahra ahre ahrr ahva akaa akae akah akao akar akee aker akha akka akko akok akr- akra akre aoah aoba aora aorb arab arae arah arak arar arba arbe arbh area aree areh arek areo arev arh- arka arke arkh arko aroa arob aroe aroo aror arr- arra arre arrh arrk arro arrr arva arve arvo avab avao avar avea aveh aveo aver avor avra avre avro avva avvo baaa baah baak baar baba babb babe babo babr baek baer baha baho bahr bak- baka bake bakh bako bakr baoh bar- bara barb bare barh bark baro barr bava bave bbbb bbeb beah beak bear beav beba bebb bebe bebo beeb beek beer behr beka beke beko beo- beok beor bera bere berk bero berr bevo bhao bhar bher bhor bhra boab boak boar boba bobb bobe bobo boea boee boeo boer boha boho bohr boka boke boko boob booe booh book boor bor- bora bore borh bork boro borr bova bove bovo brab brae brah brak brao brav brea breb bree brek breo brer brev brka brkb broa brob broe broh brok broo bror brrr eaba eabh eara earb eare earh earo eave ebba ebbo ebbr eber eboe eboo ebor ebro eeea eeee eeka eeke eera eero eeva ehaa ehav ehea eheh eher ehre eka- ekab ekeb ekek eker ekho ekka ekoa eoka eora eore erba erbb erbe ereb erer erev erke erob eroe eroo erra erre erro erve evae evah evar evea ever evoe evoo evra evre evvk haab haak haar haba habe habo haha haho haka hake hakk hako haor hara hare harh hark haro harr harv hava have hbar heah hear hebb hebe hebo hebr heeb heek heer hehe heho heka heke heor hera herb here herk hero herr heve hhaa hhhh hoar hoba hobe hobo hoek hoer hoha hohe hoho hoka hoke hoko hooe hook hoor hora hore hork horo horr hova hove hovk hree hrob hvar kaaa kaab kaak kaar kaba kabb kabe kabo kabr kaeh kaeo kaer kaha kahe kaho kahr kaka kake kakh kakk kako kaoa kaok kaor kara karb kare kark karo karr karv kava kavb kave kavh kavo kavv kbaa kbab kbae kbak kbar kbba kbbb kbbe kbbk kbbo kbbr kbeb kbee kbeh kbek kbeo kber kbev kbhb kbhe kbhh kbhr kbkb kbkk kbko kbkr kbkv kboa kbob kboe kbok kboo kbov kbra kbrb kbre kbrh kbrk kbro kbrv kbva kbvb kbvo kbvr kea- keak kear keba kebb kebe kebr keeh keek keer kehk kehr keka kekb keke keko keok ker- kera kerb kere kerk kero kerr kerv keva keve khab khak khao khar khav khbr kheb kher khhk khho khka khke khkk khkr khkv khoa khob khoe khok khor khra khrk khro khrr khrv khvh kkaa kkar