a-a aaa aad aak aan aap aar ad- ada add adk adn adp adr aka akd akk akn akp akr an- ana and ank ann anp anr ap- apa apd apk apn app apr ar- ara ard ark arn arp arr daa dad dak dan dap dar dda ddd ddk ddn ddp ddr dka dkk dkp dkr dna dnd dnk dnn dnp dnr dpa dpd dpk dpn dpp dpr dra drd drk drn drp drr ka- kaa kad kak kan kap kar kda kdk kdp kdr kkk kkn kkp kkr kn- kna knd knk knn knp knr kpa kpd kpk kpn kpp kpr kra krd krk krn krp krr naa nad nak nan nap nar nda ndd ndk ndn ndp ndr nka nkk nkn nkp nkr nna nnk nnn nnp npa npd npn npp npr nra nrd nrk nrn nrp nrr p-p paa pad pak pan pap par pda pdd pdk pdn pdp pdr pka pkd pkn pkp pkr pn- pna pnd pnk pnn pnp pnr ppa ppd ppk ppn ppp ppr pra prd prk prn prp prr ra- raa rad rak ran rap rar rda rdd rdn rdp rdr rkk rkp rna rnd rnn rnp rnr rpa rpd rpk rpn rpp rpr rra rrd rrk rrn rrp rrr