a-a aaa aad aan aap aar aaw ad- ada add adn adp adr adw an- ana and ann anp anr ap- apa apd apn app apr apw ar- ara ard arn arp arr arw aw- awa awd awn awp awr aww daa dad dan dap dar daw dda ddd ddn ddp ddr ddw dna dnd dnn dnp dnr dnw dpa dpd dpn dpp dpr dpw dra drd drn drp drr drw dwa dwn dwp dwr dww naa nad nan nap nar naw nda ndd ndn ndp ndr nna nnn nnp nnw npa npd npn npp npr npw nra nrd nrn nrp nrr nrw nwa nwd nwn nwp nwr p-p paa pad pan pap par paw pda pdd pdn pdp pdr pn- pna pnd pnn pnp pnr pnw ppa ppd ppn ppp ppr ppw pra prd prn prp prr prw pwa pwd pwn pwp pwr ra- raa rad ran rap rar raw rda rdd rdn rdp rdr rna rnd rnn rnp rnr rnw rpa rpd rpn rpp rpr rpw rra rrd rrn rrp rrr rwa rwd rwr waa wad wan wap war waw wda wdp wdr wn- wna wnd wnn wnp wnw wpa wpd wpn wpp wpr wr- wra wrd wrn wrp wrr wrw wwa wwd wwn wwp www