a-a a-b a-i aaa aab aad aai aan aao aav ab- aba abb abd abi abn abo abv ad- ada adb add adi adn ado adv ai- aia aib aid aii ain aio aiv an- ana anb and ani ann ano anv aoa aob aod aoi aon aoo aov av- ava avb avd avi avn avo baa bab bad bai ban bao bav bba bbb bbd bbi bbn bbo bda bdb bdd bdi bdo bdv bi- bia bib bid bii bin bio biv bna bnb bnd bni bnn bno bnv boa bob bod boi bon boo bov bva bvb bvd bvi bvn bvo bvv daa dab dad dai dan dao dav dba dbb dbd dbi dbn dbo dbv dda ddb ddd ddi ddn ddo di- dia dib did dii din dio div dna dnb dnd dni dnn dno doa dob dod doi don doo dov dva dvb dvd dvi dvn i-d i-v ia- iaa iab iad iai ian iao iav iba ibb ibd ibi ibn ibo ibv ida idb idd idi idn ido idv iia iib iid iii iin iio in- ina inb ind ini inn ino inv io- ioa iob iod ioi ion ioo iov iva ivb ivd ivi ivo ivv n-i naa nab nad nai nan nao nav nba nbb nbd nbi nbn nbo nbv nda ndb ndd ndi ndn ndo ndv nia nib nid nii nin nio niv nna nnb nni nnn nno nnv no- noa nob nod noi non noo nov nva nvb nvd nvi nvn nvv o-i oaa oab oad oai oan oao oav ob- oba obb obd obi obn obo obv oda odb odd odi odn odo odv oia oib oid oii oin oio oiv on- ona onb ond oni onn ono oo- ooa oob ood ooi oon ooo oov ov- ova ovb ovd ovi ovo ovv v-a vaa vab vad vai van vao vav vba vbd vbi vbo vbv vdb vdd vdi vdo vdv vi- via vib vid vii vin vio viv vn- vna vnd vni vno vnv voa vob vod voi von voo vov vva vvb vvi vvo vvv