a-a a-b a-i aaa aab aad aai aan aap aar aav ab- aba abb abd abi abn abp abr abv ad- ada adb add adi adn adp adr adv ai- aia aib aid aii ain aip air aiv an- ana anb and ani ann anp anr anv ap- apa apb apd api apn app apr apv ar- ara arb ard ari arn arp arr arv av- ava avb avd avi avn avp avr b-p baa bab bad bai ban bap bar bav bba bbb bbd bbi bbn bbp bbr bda bdb bdd bdi bdp bdr bdv bi- bia bib bid bii bin bip bir biv bna bnb bnd bni bnn bnp bnr bnv bpa bpb bpd bpi bpn bpp bpr bpv bra brb brd bri brn brp brr brv bva bvb bvd bvi bvn bvp bvr bvv daa dab dad dai dan dap dar dav dba dbb dbd dbi dbn dbp dbr dbv dda ddb ddd ddi ddn ddp ddr di- dia dib did dii din dip dir div dna dnb dnd dni dnn dnp dnr dpa dpb dpd dpi dpn dpp dpr dpv dra drb drd dri drn drp drr drv dva dvb dvd dvi dvn dvp dvr i-d i-v ia- iaa iab iad iai ian iap iar iav iba ibb ibd ibi ibn ibp ibr ibv ida idb idd idi idn idp idr idv iia iib iid iii iin iip iir in- ina inb ind ini inn inp inr inv ipa ipb ipd ipi ipn ipp ipr ipv ir- ira irb ird iri irn irp irr irv iva ivb ivd ivi ivp ivr ivv n-i naa nab nad nai nan nap nar nav nba nbb nbd nbi nbn nbp nbr nbv nda ndb ndd ndi ndn ndp ndr ndv nia nib nid nii nin nip nir niv nna nnb nni nnn nnp nnv npa npb npd npi npn npp npr npv nra nrb nrd nri nrn nrp nrr nrv nva nvb nvd nvi nvn nvp nvv p-p paa pab pad pai pan pap par pav pba pbb pbd pbi pbn pbp pbr pda pdb pdd pdi pdn pdp pdr pdv pia pib pid pii pin pip pir piv pn- pna pnb pnd pni pnn pnp pnr pnv ppa ppb ppd ppi ppn ppp ppr ppv pra prb prd pri prn prp prr prv pva pvb pvd pvi pvn pvp pvr pvv ra- raa rab rad rai ran rap rar rav rba rbb rbd rbi rbn rbp rbr rda rdb rdd rdi rdn rdp rdr rdv ria rib rid rii rin rip rir riv rna rnb rnd rni rnn rnp rnr rnv rpa rpb rpd rpi rpn rpp rpr rpv rra rrb rrd rri rrn rrp rrr rva rvb rvd rvi rvn rvp rvr rvv v-a vaa vab vad vai van vap var vav vba vbd vbi vbr vbv vdb vdd vdi vdp vdr vdv vi- via vib vid vii vin vip vir viv vn- vna vnd vni vnp vnr vnv vpa vpb vpd vpi vpn vpp vpr vra vrb vrd vri vrn vrp vrr vva vvb vvi vvr vvv