bbbb bbdd bbdo bblb bdii bibb bibi bibl bibo bidi bido biko bild bili bilk bill bilo bio- bioi biol blik blio blkb blkd blob blod blok bloo bobb bobi bobo bodb bodi bodo boi- boid boii boil boki boko bold boli bolk boll bolo boob bood book bool d-bo dddd dibb dibo didi dido diii diki diko dili dilk dill dilo diol dkid dlbd dlib dlii dlil dobb dobi dobl dod- dodd dodi dodo doid doil doki doko dold doli dolk doll dolo doob dood dook dool ibdo ibid iddo idid idil idio idli idol iiii iiio iioi iioo ikid ikki ikko ikoo ilio ilki ill- illd illi illo ilok iloo iobi iod- iodd iodo ioii ioio ioko iolo iooi iooo k-id k-lo kbbb kbbd kbbi kbbk kbbl kbbo kbdb kbdi kbdl kbdo kbib kbid kbik kbil kbio kbkb kbkk kbkl kbko kblb kbld kbll kblo kbob kbod kboi kbok kboo kdbb kdbi kdbl kddb kddd kddi kddk kddl kdil kdio kdkb kdkd kdkk kdko kdlb kdld kdll kdlo kdok kibb kibi kibl kibo kidb kidd kidi kidk kidl kido kiid kiii kiik kikd kiki kikk kiko kilb kild kili kilk kill kilo kiod kioi kiok kiol kioo kkbb kkbd kkbi kkbl kkbo kkdd kkdl kkdo kkid kkik kkkk kklb kkld kkli kkll kklo kkob kkol kkoo klbb klbd klbl kldd klib klid klik klil klio klkk klkl klko kllb kllk klob klok klol kloo kobb kobi kobk kobo kodi kodk kodl kodo koii koil kokb koki kokk koko kolb kold koli kolk koll kolo koob kooi kook kool kooo libo lidb lidl lido liii liko lilb lili lill lilo lio- liod lldb llll llod lloo lob- lobb lobi lobo lodi loid loik loki lokk loko lold loli loll lolo loob lood look lool obbo obid obkb oboi obok obol odbo oddd oddi odio odoo oido oiii oiko okko oklo okok okol olbo oldb olib olid olio olki olli ollo oobi oodi ooid oold oolo oooo