-er a-a a-b a-i aaa aab aae aah aai aao aar ab- aba abb abe abh abi abo abr aea aeb aee aeh aei aeo aer aha ahb ahe ahh ahi aho ahr ai- aia aib aie aih aii aio air aoa aob aoe aoh aoi aoo aor ar- ara arb are arh ari aro arr baa bab bae bah bai bao bar bba bbb bbe bbh bbi bbo bbr be- bea beb bee beh bei beo ber bha bhb bhe bhh bhi bho bhr bi- bia bib bie bih bii bio bir boa bob boe boh boi boo bor bra brb bre brh bri bro brr eaa eab eae eah eai eao ear eba ebb ebe ebh ebi ebo ebr eea eeb eee eeo eer eha ehb ehe ehh ehi eho ehr eia eib eie eii eio eir eo- eoa eob eoe eoh eoi eoo eor era erb ere erh eri ero err h-i haa hab hae hah hai hao har hba hbb hbe hbh hbi hbo hbr he- hea heb hee heh hei heo her hha hhb hhe hhh hhi hho hhr hia hib hie hih hii hio hir hoa hob hoe hoh hoi hoo hor hr- hra hrb hre hrh hri hro hrr ia- iaa iab iae iah iai iao iar iba ibb ibe ibh ibi ibo ibr ie- iea iee iei ier iha ihb ihe ihh ihi iho ihr iia iib iie iih iii iio iir io- ioa iob ioe ioh ioi ioo ior ir- ira irb ire iri iro irr o-i oaa oab oae oah oai oao oar ob- oba obb obe obh obi obo obr oea oeb oee oeh oei oeo oer oha ohe ohh ohi oho ohr oia oib oie oii oio oir oo- ooa oob ooh ooi ooo oor or- ora orb ore orh ori oro orr ra- raa rab rae rah rai rao rar rba rbb rbe rbh rbi rbo rbr re- rea reb ree reh rei reo rer rh- rha rhb rhe rhh rhi rho rhr ria rib rie rih rii rio rir roa rob roe roh roi roo ror rra rrb rrh rri rrr

a-be a-ha a-ii aaaa aaab aaae aaah aaai aaar aaba aabb aabh aabi aaea aaha aaib aaii aaoe aaoo aara aare aari aaro abaa abab abae abai abar abb- abba abbb abbe abbi abbo abbr abee aber abha abhi abho abhr abia abib abie abir aboa abob aboh aboo abor abra abri abro aebi aeer aeio aer- aera aeri aero ahab ahah ahai ahar ahha ahio ahir ahoa ahoe ahor ahra ahre ahrr aiai aiba aibo aiea aiee aiha aiho aiia aiib aiir aioi aira aire airh airi airo aoah aoba aora aorb arab arae arah arai arar arba arbe arbh arbi area aree areh arei areo arh- aria arib arie arii ario aroa arob aroe aroi aroo aror arr- arra arre arrh arri arro arrr ba-i baaa baah baar baba babb babe babi babo babr baer baha bahi baho bahr baia baib baie baio bair baoh bar- bara barb bare barh bari baro barr bbbb bbeb beah bear beba bebb bebe bebi bebo beeb beer behr beia beir beo- beor bera bere beri bero berr bhai bhao bhar bher bhie bhir bhoi bhor bhra biao biar biba bibb bibe bibi bibo bieb bier biha bihe bihi bio- bioi bira birb bire biri biro birr boab boai boar boba bobb bobe bobi bobo boea boee boeo boer boha boho bohr boi- boie boii boob booe booh boor bor- bora bore borh bori boro borr brab brae brah brai brao brea breb bree brei breo brer bria brie brih brio broa brob broe broh broo bror brrr eaba eabh eara earb eare earh earo ebba ebbo ebbr eber eboe eboo ebor ebro eeea eeee eera eero ehaa ehea eheh eher ehre eiao eiei eier eiha eiho eira eire eoir eora eore eori erba erbb erbe ereb erei erer eria erie erih erio erob eroe eroi eroo erra erre erro h-ii haab haar haba habe habi habo haha haho haie hair haor hara hare harh hari haro harr hbar hbio heah hear hebb hebe hebi hebo hebr heeb heer hehe heho heia heie heih heir heor hera herb here heri hero herr hhaa hhhh hiaa hiab hiar hiba hibi hiei hier hihe hihi hiho hiie hiob hira hire hiri hiro hoai hoar hoba hobe hobo hoei hoer hoha hohe hoho hoie hoir hooe hoor hora hore hori horo horr hree hrib hrob i-be iaaa iaai iaba iaea iaia iara iare ibar ibea ibeh ibia ibie ibra ibri ibro ieie ieio ieoh iera iere ieri ihab ihba iher ihob ihra ihre iiie iiii iiio iioi iioo iira ioba iobi ioee ioii ioio iooi iooo iora iore iori irae irai irao irar irbe iree irer iri- iria irie irio irob iroh irra irre irri o-eo oaer oahe oara oare obai obba obbo obea ober obia obie oboe oboi obor obra obre obrh obri obro oera oere ohai ohba ohbe ohee oher ohhi ohho ohia ohio ohob ohoh ohra ohre oiba oier oiii oira oire ooaa ooba oobe oobi ooer ooha ooho ooia oooh oooo oora oore orab orae orah orai orao orar orba orbb orbe orbi orbo ore- orea oreb oreh oreo orer orhe ori- oria orie orio oro- oroe oror orra orri orro raab raba rabb rabe rabi rabo raer raha rahe rahi rahr raia raie raii rair raob raoh rara rarb rare rari raro rbbb rbbr rboh rea- reae reao rear reba rebb rebe rebo reeb reha rehb rehe rehi reia reii reir rera rere reri rero rhae rhea rheb rhee rheo rhib rhio rhoa rhob rhoh riaa riab riah riai rib- riba ribe ribo rier riha riho riia rire riri roab roar rob- roba robb robe robi robo roea roer roha rohe rohr roia roio roir roob rooi roor rora rore rori roro rrah rrrr

-aaa- a-iii aaaah aaaai aaaee aabaa aabba aabra aaeri aahaa aaiha aaiib aarah aaria aaroh abaab ababa ababe abaer abaia abaie