pn- pna pnc pnd pni pnl pnn pno pnp pnr pnt pnu poa poc pod poi pol pon poo pop por pot pou ppa ppc ppd ppi ppl ppn ppo ppp ppq ppr ppt ppu pqi pqq pqr pra prc prd pri prl prn pro prp prq prr prt pru pt- pta ptc ptd pti ptl ptn pto ptp ptq ptr ptt ptu pua puc pud pui pul pun pup pur put puu qaa qac qad qal qan qap qar qat qau qca qcc qcd qci qcl qco qcp qct qda qdr qdt qic qid qil qin qio qip qir qit qiu qlp qnd qni qoi qoo qop qor qpc qpl qpp qpr qqq qqu qra qrc qri qrl qrp qrt qru qta qtc qtd qti qto qtq qtr qu- qua qud qui qul quo qur qut ra- raa rac rad rai ral ran rao rap raq rar rat rau rca rcc rcd rci rcl rcn rco rcp rcr rct rcu rda rdc rdd rdi rdl rdn rdo rdp rdr rdt rdu ria ric rid rii ril rin rio rip riq rir rit rla rlc rld rli rll rln rlo rlp rlr rlt rlu rna rnc rnd rni rnn rno rnp rnr rnt rnu roa roc rod roi rol ron roo rop ror rot rou rpa rpc rpd rpi rpl rpn rpo rpp rpr rpt rpu rqc rqn rra rrc rrd rri rrl rrn rrp rrq rrr rrt rru rta rtc rtd rti rtl rtn rto rtp rtq rtr rtt rtu rua ruc rud rui run ruo rup rur rut ruu taa tac tad tai tal tan tao tap taq tar tat tau tca tcc tcd tci tcl tcn tco tcp tcr tct tcu tda tdc tdd tdi tdl tdn tdo tdp tdr tdt tdu tia tic tid tii til tin tio tip tir tit tiu tla tlc tld tli tll tln tlo tlp tlr tlt tlu tna tnc tnd tni tnl tnn tno tnp tnq tnr tnt to- toa toc tod toi tol ton too top toq tor tot tou tpa tpc tpd tpi tpl tpn tpo tpp tpq tpr tpt tpu tqo tra trc trd tri trl trn tro trp trq trr trt tru tta ttc ttd tti ttl ttn tto ttp ttr ttt ttu tua tuc tud tui tul tun tuo tup tur tut tuu ua- uaa uac uad uai ual uan uao uap uaq uar uat uau uca ucc ucd uci ucl ucn uco ucp ucr uct ucu uda udc udd udi udl udn udo udp udr udt udu uia uic uid uii uil uin uio uip uiq uir uit uiu ula ulc uld uli ull uln ulo ulp ulr ult ulu un- una unc und uni unl unn uno unp unq unr unt unu uoa uoc uod uol uon uoo uop uor uot up- upa upc upd upi upn upo upp upr upt upu ur- ura urc urd uri url urn uro urp urr urt uru uta utc utd uti utl utn uto utp utr utt utu uua uuc uun uur uut uuu