-up a-a a-c aaa aac aad aan aap aar aau ac- aca acc acd acn acp acr acu ad- ada adc add adn adp adr adu an- ana anc and ann anp anr anu ap- apa apc apd apn app apr apu ar- ara arc ard arn arp arr aru au- aua auc aud aun aup aur c-- caa cac cad can cap car cau cca ccc ccd ccn ccp ccr ccu cda cdc cdd cdn cdp cdr cdu cn- cna cnc cnd cnn cnp cnr cnu cpa cpc cpd cpn cpp cpr cpu cra crc crd crn crp crr cru cua cuc cud cun cup cur cuu daa dac dad dan dap dar dau dca dcc dcd dcn dcp dcr dcu dda ddc ddd ddn ddp ddr ddu dna dnc dnd dnn dnp dnr dpa dpc dpd dpn dpp dpr dpu dra drc drd drn drp drr dru dua duc dud dun dup dur naa nac nad nan nap nar nau nca ncc ncd ncn ncp ncr ncu nda ndc ndd ndn ndp ndr ndu nna nnc nnn nnp nnu npa npc npd npn npp npr npu nra nrc nrd nrn nrp nrr nru nua nuc nud nun nup nur nuu p-p paa pac pad pan pap par pau pca pcc pcd pcn pcp pcr pcu pda pdc pdd pdn pdp pdr pdu pn- pna pnc pnd pnn pnp pnr pnu ppa ppc ppd ppn ppp ppr ppu pra prc prd prn prp prr pru pua puc pud pun pup pur puu ra- raa rac rad ran rap rar rau rca rcc rcd rcn rcp rcr rcu rda rdc rdd rdn rdp rdr rdu rna rnc rnd rnn rnp rnr rnu rpa rpc rpd rpn rpp rpr rpu rra rrc rrd rrn rrp rrr rru rua ruc rud run rup rur ruu ua- uaa uac uad uan uap uar uau uca ucc ucd ucn ucp ucr ucu uda udc udd udn udp udr udu un- una unc und unn unp unr unu up- upa upc upd upn upp upr upu ur- ura urc urd urn urp urr uru uua uuc uun uur uuu