bbbb bbdd bbdo bbin bd-r bddh bdii bdin bhir bhoi bhor bibb bibi bibo bidi bido bidr bihi biin bin- bind binh bini binn bino bio- bioi bion birb bird biri birn biro birr bnib bnin bnor bnrr bobb bobi bobo bodb bodh bodi bodo bohd bohn boho bohr boi- boid boii boin bond boni bonn bono boob bood booh boon boor bor- bord borh bori born boro borr brdo brid brih brin brio brno brob brod broh bron broo bror brrr d-bo dbrn dddd dhin dhod dhor dhrn dibb dibo didi dido diii din- dinh dini dinn dino dion dior dird dirr dobb dobi dod- dodd dodi dodo dohr doid doin dond doni donn dono donr doob dood doon door dord dori dorn doro dorr drib drih drin drnh drno drob drod droh dron h-ii hbio hdod hdri hhhh hibi hidi hihi hiho hind hinn hino hiob hird hiri hirn hiro hndd hnoi hobo hodh hodi hodr hohn hoho hoid hoir hond honi hono hood hoon hoor hord hori horn horo horr hrdn hrib hrid hrob hrod hron i-no ibdo ibid ibon ibrd ibri ibro iddo idid idin idio idir idno idon idro ihdr ihob ihrd iiii iiio iino iioi iioo inbd inbo ind- indi indo inhd inid inni inno innr ino- inoi inon inor inri inro iobi iod- iodd iodo ioii ioio ioni ionn iono iooi iooo iori irdo iri- irid irin irio irob irod iroh iron irri n-ii nbbo nbhd nddb nddo ndor ndri nhnn nhon nibi nibo nidd nidi nido niir nind ninh nini nino nioh nion nioo niro nndb nnnn nobi nobo nodi nodo nohn noho noib noid noin noio noir non- noni nonn nono noo- noob noon nooo noor nor- norb nord nori norn noro norr nron nrrd obbo obid obin oboi obon obor obrh obri obro odbo oddd oddi odin odio odir odnb odoh odon odoo odor ohhi ohho ohid ohio ohno ohob ohoh ohrn oido oiii oion ondi ondo onir onni onno onod onon onor oobi oodi ooho ooid oooh oooo oord orbb orbi orbo ordn ordo ori- orid orin orio orni orno oro- oron oror orri orro rbbb rbbr rboh rdio rhib rhin rhio rhob rhod rhoh rhon rib- ribo ridd ridi rido riho riin rind rinn rino rion riri rnbr rnin rnod rob- robb robi robo rodd rodi rodo rohn rohr roid roin roio roir rond roni rono roob rood rooi roon roor rori roro rrrr