a-a a-i a-z aaa aad aai aap aar aaz ad- ada add adi adp adr adz ai- aia aid aii aip air aiz ap- apa apd api app apr ar- ara ard ari arp arr arz az- aza azd azi azp azz daa dad dai dap dar daz dda ddd ddi ddp ddr ddz di- dia did dii dip dir diz dpa dpd dpi dpp dpr dpz dra drd dri drp drr drz dza dzd dzi dzp dzr i-d ia- iaa iad iai iap iar iaz ida idd idi idp idr iia iid iii iip iir ipa ipd ipi ipp ipr ir- ira ird iri irp irr iza izi izz p-p paa pad pai pap par paz pda pdd pdi pdp pdr pdz pia pid pii pip pir piz ppa ppd ppi ppp ppr ppz pra prd pri prp prr prz pzp ra- raa rad rai rap rar raz rda rdd rdi rdp rdr ria rid rii rip rir riz rpa rpd rpi rpp rpr rpz rra rrd rri rrp rrr rza zaa zad zai zap zar zaz zia zid zip zir ziz zpi zpp zpr zrp zzr zzz