a-a a-b a-i a-z aaa aab aad aai aap aar aav aaz ab- aba abb abd abi abp abr abv abz ad- ada adb add adi adp adr adv adz ai- aia aib aid aii aip air aiv aiz ap- apa apb apd api app apr apv ar- ara arb ard ari arp arr arv arz av- ava avb avd avi avp avr avz az- aza azb azd azi azp azz b-p baa bab bad bai bap bar bav baz bba bbb bbd bbi bbp bbr bda bdb bdd bdi bdp bdr bdv bdz bi- bia bib bid bii bip bir biv biz bpa bpb bpd bpi bpp bpr bpv bra brb brd bri brp brr brv brz bva bvb bvd bvi bvp bvr bvv bza bzd bzp bzr bzz daa dab dad dai dap dar dav daz dba dbb dbd dbi dbp dbr dbv dbz dda ddb ddd ddi ddp ddr ddz di- dia dib did dii dip dir div diz dpa dpb dpd dpi dpp dpr dpv dpz dra drb drd dri drp drr drv drz dva dvb dvd dvi dvp dvr dza dzb dzd dzi dzp dzr i-d i-v ia- iaa iab iad iai iap iar iav iaz iba ibb ibd ibi ibp ibr ibv ibz ida idb idd idi idp idr idv iia iib iid iii iip iir ipa ipb ipd ipi ipp ipr ipv ir- ira irb ird iri irp irr irv iva ivb ivd ivi ivp ivr ivv iza izi izz p-p paa pab pad pai pap par pav paz pba pbb pbd pbi pbp pbr pbz pda pdb pdd pdi pdp pdr pdv pdz pia pib pid pii pip pir piv piz ppa ppb ppd ppi ppp ppr ppv ppz pra prb prd pri prp prr prv prz pva pvb pvd pvi pvp pvr pvv pvz pzp ra- raa rab rad rai rap rar rav raz rba rbb rbd rbi rbp rbr rda rdb rdd rdi rdp rdr rdv ria rib rid rii rip rir riv riz rpa rpb rpd rpi rpp rpr rpv rpz rra rrb rrd rri rrp rrr rva rvb rvd rvi rvp rvr rvv rza rzb v-a vaa vab vad vai vap var vav vaz vba vbd vbi vbr vbv vbz vdb vdd vdi vdp vdr vdv vi- via vib vid vii vip vir viv viz vpa vpb vpd vpi vpp vpr vra vrb vrd vri vrp vrr vva vvb vvi vvr vvv vvz zaa zab zad zai zap zar zav zaz zbb zbr zbv zdv zia zib zid zip zir ziv ziz zpi zpp zpr zrp zvi zzr zzz