a-a a-i aaa aad aai aap aar aav ad- ada add adi adp adr adv ai- aia aid aii aip air aiv ap- apa apd api app apr apv ar- ara ard ari arp arr arv av- ava avd avi avp avr daa dad dai dap dar dav dda ddd ddi ddp ddr di- dia did dii dip dir div dpa dpd dpi dpp dpr dpv dra drd dri drp drr drv dva dvd dvi dvp dvr i-d i-v ia- iaa iad iai iap iar iav ida idd idi idp idr idv iia iid iii iip iir ipa ipd ipi ipp ipr ipv ir- ira ird iri irp irr irv iva ivd ivi ivp ivr ivv p-p paa pad pai pap par pav pda pdd pdi pdp pdr pdv pia pid pii pip pir piv ppa ppd ppi ppp ppr ppv pra prd pri prp prr prv pva pvd pvi pvp pvr pvv ra- raa rad rai rap rar rav rda rdd rdi rdp rdr rdv ria rid rii rip rir riv rpa rpd rpi rpp rpr rpv rra rrd rri rrp rrr rva rvd rvi rvp rvr rvv v-a vaa vad vai vap var vav vdd vdi vdp vdr vdv vi- via vid vii vip vir viv vpa vpd vpi vpp vpr vra vrd vri vrp vrr vva vvi vvr vvv