-er a-a a-c aaa aac aae aah aak aao aar ac- aca acc ace ach ack aco acr aea aec aee aeh aek aeo aer aha ahc ahe ahh ahk aho ahr aka akc ake akh akk ako akr aoa aoc aoe aoh aok aoo aor ar- ara arc are arh ark aro arr c-- caa cac cae cah cak cao car cca ccc cce cch cck cco ccr ce- cea cec cee ceh cek ceo cer ch- cha chc che chh chk cho chr cka ckc ckh cko co- coa coc coe coh cok coo cor cra crc cre crh crk cro crr eaa eac eae eah eak eao ear ec- eca ecc ece ech eck eco ecr eea eec eee eek eeo eer eha ehc ehe ehh eho ehr eka ekc eke ekh eko ekr eo- eoa eoc eoe eoh eok eoo eor era erc ere erh erk ero err haa hac hae hah hak hao har hca hcc hce hch hck hco hcr he- hea hec hee heh hek heo her hha hhc hhe hhh hhk hho hhr hka hkh hkk hko hkr hoa hoc hoe hoh hok hoo hor hr- hra hrc hre hrh hrk hro hrr ka- kaa kac kae kah kak kao kar kca kcc kce kch kck kcr ke- kea kec kee keh kek keo ker kha khe khh khk kho khr kkc kke kkh kkk kkr koa koc koe koh kok koo kor kra krc krk kro krr oaa oac oae oah oak oao oar oc- oca occ och ock oco ocr oea oec oee oeh oeo oer oha ohc ohe ohh oho ohr oka okc oke okk oko okr oo- ooa ooc ooh ook ooo oor or- ora orc ore orh ork oro orr ra- raa rac rae rah rak rao rar rca rcc rce rch rco rcr re- rea rec ree reh rek reo rer rh- rha rhc rhe rhh rho rhr rkc rke rkk rko roa roc roe roh rok roo ror rra rrc rrh rrk rrr

a-ak a-ha a-ok aaaa aaac aaae aaah aaar aaca aacc aace aach aack aaco aacr aaea aaec aaha aahk aaka aake aaoe aaoo aara aarc aare aaro acaa acac acae acar acca accc acce acch acco ace- acea acec aceh acek acer acha ache achh acho achr acke acoa acoe acoh acor acr- acra acrc acre acro acrr aeac aeer aeka aer- aera aerc aero ahac ahah ahar ahha ahoa ahoe ahok ahor ahra ahrc ahre ahrr akaa akae akah akao akar akca akee aker akha akka akko akok akr- akra akre aoah aoca aoce aora arac arae arah arak arar arc- arca arce arch arco area arec aree areh arek areo arh- arka arke arkh arko aroa aroe aroo aror arr- arra arrc arre arrh arrk arro arrr caaa caac caah cac- caca cacc cace cach cack caco cacr caec caer caha cahe caka cake caor cara carc care cark caro carr ccaa ccac ccar ccca cccc ccee ccha cche cchr ccoc ccra ccrc ccre ceac cear cec- ceca cece ceco ceec ceke ceor cer- cera cerc cere cero chaa chac chae chah chak chao char chca chce chch chea chec chee cheh chek cher chha chka choc choh chok choo chor chra chrc chro chrr ckac ckch ckck ckco cker ckoa ckoc ckoo ckor ckrc coak coca coce coch cock coco coha coho cok- coka coke coko cooh cook cor- cora corc core cork coro corr crac crar crca crcc crce crcr cre- crea crec cree creh creo crkc croc croe croh crok croo cror eaca eacc each eaec eara eare earh earo ecaa ecac ecao ecar ecca eccc ecce ecco echa eche echo ecka ecko eco- ecra ecrc ecrr eeca eeea eeee eeka eeke eeoc eera eerc eero ehaa ehcc ehea eheh eher ehre eka- ekch ekco ekek eker ekho ekka ekoa eoka eora eore erca ercc erce erch erec erer erhc erke eroc eroe eroo erra errc erre erro haak haar hace hack haco haec haha haho haka hake hakk hako haor hara harc hare harh hark haro harr hcca hccc hcch heah hear heca hech heck heek heer hehe heho heka heke heor hera herc here herk hero herr hhaa hhhh hkcc hoac hoar hoca hoce hoch hock hocr hoek hoer hoha hohe hoho hoka hoke hoko hooe hook hoor hora horc hore hork horo horr hrac hree hrrc kaaa kaak kaar kacc kace kach kaco kaeh kaeo kaer kaha kahc kahe kaho kahr kaka kakc kake kakh kakk kako kaoa kaoc kaok kaor kara kare kark karo karr kcaa kcac kcah kcar kcca kccc kcck kccr kcea kcec kcee kceo kcha kche kchh kchk kcho kchr kckc kckk kcko kckr kcoe kcoh kcor kcrc kcrh kcro kcrr kea- keak kear keca kech keck keco kecr keeh keek keer kehk kehr keka kekc keke keko keok ker- kera kerc kere kerk kero kerr khac khak khao khar khca khcc khch khck khec kher khhk khho khka khke khkk khkr khoa khoc khoe khok khor khra khrk khro khrr kkaa kkac kkar kkch kkck kkco kkcr kkea kkha kkhh kkhk kkhr kkkk kkoa kkoh kkoo kkor kkrc kkre kkrh kkrk kkro kkrr koac koae koak koar koca koch kock koea koha kohh koho kohr koka kokc koke kokh kokk koko kokr kooc kook kooo koor kora korc kore kork koro korr krac krae krah krak krar krca krcc krce krch krco krea krec kree kreh krek kreo krhc krka krkc krke krkh krkk krko krkr kroa kroc kroe kroh krok kroo kror krrc krre krrk krro krrr o-eo oaer oahe oake oara oare ocac ocak occa occc oce ocee ocha oche ocke ocra ocre ocro ocrr oec- oeca oecc oeec oera oere ohcc ohee oher ohho ohoh ohok ohra ohre okak okeh oker okha okka okko okok okor okra okre okro ooaa ooak oocr ooer ooha ooho oooh oooo oora oore orac orae orah orak orao orar orca orce orch orco ore- orea orec oreh orek oreo orer