a-a a-b a-i aaa aab aad aai aan aar aav ab- aba abb abd abi abn abr abv ad- ada adb add adi adn adr adv ai- aia aib aid aii ain air aiv an- ana anb and ani ann anr anv ar- ara arb ard ari arn arr arv av- ava avb avd avi avn avr baa bab bad bai ban bar bav bba bbb bbd bbi bbn bbr bda bdb bdd bdi bdr bdv bi- bia bib bid bii bin bir biv bna bnb bnd bni bnn bnr bnv bra brb brd bri brn brr brv bva bvb bvd bvi bvn bvr bvv daa dab dad dai dan dar dav dba dbb dbd dbi dbn dbr dbv dda ddb ddd ddi ddn ddr di- dia dib did dii din dir div dna dnb dnd dni dnn dnr dra drb drd dri drn drr drv dva dvb dvd dvi dvn dvr i-d i-v ia- iaa iab iad iai ian iar iav iba ibb ibd ibi ibn ibr ibv ida idb idd idi idn idr idv iia iib iid iii iin iir in- ina inb ind ini inn inr inv ir- ira irb ird iri irn irr irv iva ivb ivd ivi ivr ivv n-i naa nab nad nai nan nar nav nba nbb nbd nbi nbn nbr nbv nda ndb ndd ndi ndn ndr ndv nia nib nid nii nin nir niv nna nnb nni nnn nnv nra nrb nrd nri nrn nrr nrv nva nvb nvd nvi nvn nvv ra- raa rab rad rai ran rar rav rba rbb rbd rbi rbn rbr rda rdb rdd rdi rdn rdr rdv ria rib rid rii rin rir riv rna rnb rnd rni rnn rnr rnv rra rrb rrd rri rrn rrr rva rvb rvd rvi rvn rvr rvv v-a vaa vab vad vai van var vav vba vbd vbi vbr vbv vdb vdd vdi vdr vdv vi- via vib vid vii vin vir viv vn- vna vnd vni vnr vnv vra vrb vrd vri vrn vrr vva vvb vvi vvr vvv