-er bbb bbe bbh bbi bbk bbo bbr be- beb bee beh bei bek beo ber bev bhb bhe bhh bhi bhk bho bhr bhv bi- bib bie bih bii bik bio bir biv bkb bke bkk bko bkr bkv bob boe boh boi bok boo bor bov brb bre brh bri brk bro brr brv bvb bve bvh bvi bvk bvo bvr bvv ebb ebe ebh ebi ebk ebo ebr ebv eeb eee eek eeo eer eev ehb ehe ehh ehi eho ehr ehv eib eie eii eik eio eir eiv ekb eke ekh eki eko ekr ekv eo- eob eoe eoh eoi eok eoo eor erb ere erh eri erk ero err erv evb eve evh evi evo evr evv h-i hbb hbe hbh hbi hbk hbo hbr hbv he- heb hee heh hei hek heo her hev hhb hhe hhh hhi hhk hho hhr hhv hib hie hih hii hik hio hir hiv hkb hkh hki hkk hko hkr hob hoe hoh hoi hok hoo hor hov hr- hrb hre hrh hri hrk hro hrr hrv hv- hvb hvk hvo hvr hvv i-v ibb ibe ibh ibi ibk ibo ibr ibv ie- iee iei iek ier iev ihb ihe ihh ihi ihk iho ihr ihv iib iie iih iii iio iir ikb ike iki ikk iko ikr ikv io- iob ioe ioh ioi ioo ior iov ir- irb ire iri irk iro irr irv ivb ive ivi ivo ivr ivv kbb kbe kbh kbi kbk kbo kbr ke- keb kee keh kei kek keo ker kev khe khh khi khk kho khr khv kib kie kih kii kik kio kir kiv kkb kke kkh kki kkk kkr kkv kob koe koh koi kok koo kor kri krk kro krr krv kvb kvh kvi kvk kvo kvr kvv o-i ob- obb obe obh obi obk obo obr obv oeb oee oeh oei oeo oer ohe ohh ohi oho ohr oib oie oii oik oio oir oiv okb oke oki okk oko okr oo- oob ooh ooi ook ooo oor oov or- orb ore orh ori ork oro orr orv ov- ovb ove ovh ovi ovo ovv rbb rbe rbh rbi rbk rbo rbr re- reb ree reh rei rek reo rer rev rh- rhb rhe rhh rhi rho rhr rhv rib rie rih rii rik rio rir riv rkb rke rkk rko rkv rob roe roh roi rok roo ror rov rrb rrh rri rrk rrr rvb rve rvh rvi rvo rvr rvv v-e vbh vbi vbk vbo vbr vbv veb vee veh vei vek veo ver vh- vhb vhe vhi vho vi- vib vie vii vik vio vir viv vkb vob voe voh voi vok voo vor vov vrb vre vrh vri vrk vrr vvb vvi vvo vvr vvv

bbbb bbeb bebb bebe bebi bebo beeb beek beer behr beik beir beke beki beko beo- beok beor bere beri berk bero berr bevo bher bhie bhir bhoi bhor bibb bibe bibi bibo bieb bier bihe bihi bike bikh biko bio- bioi birb bire biri birk biro birr bive bivi bobb bobe bobi bobo boee boeo boer boho bohr boi- boie boii boke boki boko boob booe booh book boor bor- bore borh bori bork boro borr bove bovi bovo breb bree brei brek breo brer brev brie brih brik brio brkb brob broe broh brok broo bror brrr brvi ebbo ebbr eber eboe eboo ebor ebro eeee eeke eero eheh eher ehre eiei eier eiho eike eiki eiko eire ekeb ekek eker ekho ekki ekoi eoir eore eori erbb erbe ereb erei erer erev erie erih erik erio erke erki erob eroe eroi eroo erre erro erve ervi ever evie evir evoe evoo evre evvk h-ii hbio hebb hebe hebi hebo hebr heeb heek heer hehe heho heie heih heik heir heke heor herb here heri herk hero herr heve hevi hhhh hi-v hibi hiei hier hihe hihi hiho hiie hike hiki hiob hire hiri hirk hiro hive hkir hobe hobo hoei hoek hoer hohe hoho hoie hoik hoir hoke hoki hoko hooe hook hoor hore hori hork horo horr hove hovi hovk hree hrib hrob i-be ibeh ibie ibri ibro ieie ieio ieoh iere ieri iher ihob ihre ihvh iiie iiii iiio iioi iioo ikee iker ikki ikko ikoo ikri iobi ioee ioii ioio ioke ioko iooi iooo iore iori irbe iree irer iri- irie irio irki irob iroh irov irre irri ivbv iver ivie ivor ivre kbbb kbbe kbbi kbbk kbbo kbbr kbeb kbee kbeh kbek kbeo kber kbev kbhb kbhe kbhh kbhi kbhr kbib kbie kbik kbio kbkb kbkk kbko kbkr kbkv kbob kboe kboi kbok kboo kbov kbrb kbre kbrh kbri kbrk kbro kbrv kbvb kbvo kbvr kebb kebe kebi kebr keeh keek keer kehk kehr keib keii keik keio keir kekb keke keki keko keok ker- kerb kere keri kerk kero kerr kerv keve kevi khbr kheb kher khhk khho khii khio khke khki khkk khkr khkv khob khoe khoi khok khor khri khrk khro khrr khrv khvh kibb kibe kibi kibo kibr kier kiev kihh kihi kihk kiho kihr kiii kiik kiki kikk kiko kikr kioe kioh kioi kiok kioo kirb kiri kirk kiro kirr kirv kive kivi kkbb kkbe kkbi kkbo kkbr kkhb kkhh kkhi kkhk kkhr kkik kkkk kkob kkoh kkoo kkor kkov kkrb kkre kkrh kkrk kkro kkrr kkrv kkvr kkvv kobb kobe kobi kobk kobo kobr koei kohh kohi koho kohr koii koir koiv kokb koke kokh koki kokk koko kokr koob kooi kook kooo koor koov korb kore kori kork koro korr korv kove kovi kovk kovo kovr krbb krbe krbi krbk krbr kreb kree kreh krei krek kreo krev krhv krib krik krio kriv krke krkh krki krkk krko krkr krkv krob kroe kroh kroi krok kroo kror krov krrb krre krri krrk krro krrr krvb krve krvi krvk krvo krvr krvv kvbr kver kvie kvik kvir kviv kvob kvoe kvoh kvoi kvok kvoo kvor kvov kvre kvrh kvri kvro kvrr kvrv kvvr kvvv o-eo