a-a a-t aaa aad aan aao aap aar aat ad- ada add adn ado adp adr adt an- ana and ann ano anp anr ant aoa aod aon aoo aop aor aot ap- apa apd apn apo app apr apt ar- ara ard arn aro arp arr art at- ata atd atn ato atp atr att daa dad dan dao dap dar dat dda ddd ddn ddo ddp ddr ddt dna dnd dnn dno dnp dnr dnt doa dod don doo dop dor dot dpa dpd dpn dpo dpp dpr dpt dra drd drn dro drp drr drt dta dtd dtn dto dtp dtr dtt naa nad nan nao nap nar nat nda ndd ndn ndo ndp ndr ndt nna nnn nno nnp nnt no- noa nod non noo nop nor not npa npd npn npo npp npr npt nra nrd nrn nro nrp nrr nrt nta ntd ntn nto ntp ntr ntt oaa oad oan oao oap oar oat oda odd odn odo odp odr odt on- ona ond onn ono onp onr ont oo- ooa ood oon ooo oop oor oot op- opa opd opn opo opp opr opt or- ora ord orn oro orp orr ort ot- ota otd otn oto otp otr ott p-p paa pad pan pao pap par pat pda pdd pdn pdo pdp pdr pdt pn- pna pnd pnn pno pnp pnr pnt poa pod pon poo pop por pot ppa ppd ppn ppo ppp ppr ppt pra prd prn pro prp prr prt pt- pta ptd ptn pto ptp ptr ptt ra- raa rad ran rao rap rar rat rda rdd rdn rdo rdp rdr rdt rna rnd rnn rno rnp rnr rnt roa rod ron roo rop ror rot rpa rpd rpn rpo rpp rpr rpt rra rrd rrn rrp rrr rrt rta rtd rtn rto rtp rtr rtt taa tad tan tao tap tar tat tda tdd tdn tdo tdp tdr tdt tna tnd tnn tno tnp tnr tnt to- toa tod ton too top tor tot tpa tpd tpn tpo tpp tpr tpt tra trd trn tro trp trr trt tta ttd ttn tto ttp ttr ttt