-up a-a aaa aad aan aap aar aas aau ad- ada add adn adp adr ads adu an- ana and ann anp anr ans anu ap- apa apd apn app apr aps apu ar- ara ard arn arp arr ars aru as- asa asd asn asp asr ass asu au- aua aud aun aup aur aus daa dad dan dap dar das dau dda ddd ddn ddp ddr dds ddu dna dnd dnn dnp dnr dns dpa dpd dpn dpp dpr dps dpu dra drd drn drp drr drs dru dsa dsd dsn dsp dsr dss dsu dua dud dun dup dur dus naa nad nan nap nar nas nau nda ndd ndn ndp ndr nds ndu nna nnn nnp nns nnu npa npd npn npp npr nps npu nra nrd nrn nrp nrr nrs nru nsa nsd nsn nsp nsr nss nsu nua nud nun nup nur nus nuu p-p paa pad pan pap par pas pau pda pdd pdn pdp pdr pds pdu pn- pna pnd pnn pnp pnr pns pnu ppa ppd ppn ppp ppr pps ppu pra prd prn prp prr prs pru ps- psa psd psn psp psr pss psu pua pud pun pup pur pus puu ra- raa rad ran rap rar ras rau rda rdd rdn rdp rdr rds rdu rna rnd rnn rnp rnr rns rnu rpa rpd rpn rpp rpr rps rpu rra rrd rrn rrp rrr rrs rru rsa rsd rsn rsp rsr rss rsu rua rud run rup rur rus ruu saa sad san sap sar sas sau sda sdd sdn sdp sdr sds sdu sna snd snn snp snr sns snu spa spd spn spp spr sps spu sr- sra srd srn srp srr srs ss- ssa ssd ssn ssp ssr sss ssu sua sud sun sup sur sus suu ua- uaa uad uan uap uar uas uau uda udd udn udp udr uds udu un- una und unn unp unr uns unu up- upa upd upn upp upr ups upu ur- ura urd urn urp urr urs uru usa usd usn usp usr uss usu uua uun uur uus uuu