a-ha a-ii aaaa aaac aaae aaah aaai aaca aacc aace aach aaci aaco aaea aaec aaha aaic aaii aaoe aaoo acaa acac acae acai acca accc acce acch acci acco ace- acea acec aceh acha ache achh achi acho aci- acia acic acie acoa acoe acoh aeac aeci aeio ahac ahah ahai ahha ahio ahoa ahoe aiai aica aicc aice aich aiea aiee aiha aiho aiia aiic aioc aioi aoah aoca aoce caaa caac caah cac- caca cacc cace cach caci caco caec caei caha cahe caia caic caio caoi ccaa ccac ccai ccca cccc ccci ccee ccha cche ccic ccii ccoc ceac cec- ceca cece ceci ceco ceec chaa chac chae chah chai chao chca chce chch chci chea chec chee cheh chha chia chic chie chih choc choh choi choo ciaa ciao cica cicc cich cici cico ciee ciia ciii coai coca coce coch coco coha coho coia cooh eaca eacc each eaec ecaa ecac ecai ecao ecca eccc ecce ecci ecco echa eche echo eco- eeca eeea eeee eeoc ehaa ehcc ehea eheh eiao eica eich eico eiec eiei eiha eiho h-ii hace haco haec haha haho haie hcca hccc hcch hchi heah heca hech hehe heho heia heic heie heih hhaa hhhh hi-c hiaa hicc hice hich hico hiei hihc hihe hihi hiho hiie hioc hoac hoai hoca hoce hoch hoei hoha hohe hoho hoie hooe iaaa iaac iaai iaca iacc iaea iaec iahc iaia icaa icac icai icao icca iccc icci icco icea icec icee ichc iche ichi icho icoc ieac iecc ieie ieio ieoh ihcc iiac iica iiie iiii iiio iioi iioo ioci ioee ioii ioio iooi iooo o-eo oahe oaic ocac occa occc occi oce ocee ocha oche ochi oec- oeca oecc oeec ohai ohcc ohee ohhi ohho ohia ohio ohoh oici oiii ooaa ooha ooho ooia oooh oooo