pas pau pca pcc pcd pce pcg pci pcl pco pcp pcs pcu pda pdc pdd pde pdg pdi pdl pdo pdp pds pdu pea pec ped pee peg pei pel peo pep pes peu pga pgc pgd pge pgg pgi pgl pgo pgp pgs pia pic pid pie pig pii pil pio pip pis piu pla plc pld ple plg pli pll plo plp pls plu poa poc pod poe pog poi pol poo pop pos pou ppa ppc ppd ppe ppg ppi ppl ppo ppp pps ppu ps- psa psc psd pse psg psi psl pso psp pss psu pua puc pud pue pug pui pul pup pus puu saa sac sad sae sag sai sal sao sap sas sau sca scc scd sce scg sci scl sco scp scs scu sda sdc sdd sde sdg sdi sdl sdo sdp sds sdu se- sea sec sed see seg sei sel seo sep ses seu sga sgc sgd sge sgg sgi sgl sgo sgp sgs sgu sia sic sid sie sig sii sil sio sip sis siu sla slc sld sle slg sli sll slo slp sls slu soa soc sod soe sog soi sol soo sop sos sou spa spc spd spe spg spi spl spo spp sps spu ss- ssa ssc ssd sse ssg ssi ssl sso ssp sss ssu sua suc sud sue sug sui sul suo sup sus suu ua- uaa uac uad uae uag uai ual uao uap uas uau uca ucc ucd uce ucg uci ucl uco ucp ucs ucu uda udc udd ude udg udi udl udo udp uds udu uea uec ued uee ueg uei uel uep ues uga ugc uge ugg ugi ugl ugo ugp ugs ugu uia uic uid uie uig uii uil uio uip uis uiu ula ulc uld ule ulg uli ull ulo ulp uls ulu uoa uoc uod uoe uog uol uoo uop uos up- upa upc upd upe upg upi upo upp ups upu usa usc usd use usg usi usl uso usp uss usu uua uuc uue uug uus uuu