lrp lrr lrt lru lta ltb ltc lte ltf lti ltl lto ltp ltr ltt ltu lua lub luc lue luf lui lul luo lup lur lut luu o-i oaa oab oac oae oaf oai oal oao oap oar oat oau ob- oba obb obc obe obf obi obl obo obp obr obt obu oc- oca ocb occ ocf oci ocl oco ocp ocr oct ocu oea oeb oec oee oef oei oel oeo oep oer oet of- ofa ofb ofc ofe off ofi ofl ofo ofp ofr oft ofu oia oib oic oie oif oii oil oio oip oir oit oiu ola olb olc ole olf oli oll olo olp olt olu oo- ooa oob ooc oof ooi ool ooo oop oor oot op- opa opb opc ope opf opi opl opo opp opr opt or- ora orb orc ore orf ori orl oro orp orr ort oru ot- ota otb otc ote otf oti otl oto otp otr ott otu ou- oua ouc oue ouf oui oul ouo oup our out p-p paa pab pac pae paf pai pal pao pap par pat pau pba pbb pbc pbe pbf pbi pbl pbo pbp pbr pbt pbu pca pcb pcc pce pcf pci pcl pco pcp pcr pct pcu pea peb pec pee pef pei pel peo pep per pet peu pfa pfb pfc pfe pff pfi pfl pfo pfp pfr pft pfu pia pib pic pie pif pii pil pio pip pir pit piu pla plb plc ple plf pli pll plo plp plr plt plu poa pob poc poe pof poi pol poo pop por pot pou ppa ppb ppc ppe ppf ppi ppl ppo ppp ppr ppt ppu pra prb prc pre prf pri prl pro prp prr prt pru pt- pta ptb ptc pte ptf pti ptl pto ptp ptr ptt ptu pua pub puc pue puf pui pul pup pur put puu ra- raa rab rac rae raf rai ral rao rap rar rat rau rba rbb rbc rbe rbf rbi rbl rbo rbp rbr rbt rbu rca rcb rcc rce rcf rci rcl rco rcp rcr rct rcu re- rea reb rec ree ref rei rel reo rep rer ret reu rfa rfb rfc rfe rff rfi rfl rfo rfp rfr rft rfu ria rib ric rie rif rii ril rio rip rir rit rla rlc rle rlf rli rll rlo rlp rlr rlt rlu roa rob roc roe rof roi rol roo rop ror rot rou rpa rpb rpc rpe rpf rpi rpl rpo rpp rpr rpt rpu rra rrb rrc rrf rri rrl rrp rrr rrt rru rta rtb rtc rte rtf rti rtl rto rtp rtr rtt rtu rua rub ruc rue ruf rui ruo rup rur rut ruu taa tab tac tae taf tai tal tao tap tar tat tau tba tbb tbc tbe tbf tbi tbl tbo tbp tbr tbt tbu tca tcb tcc tce tcf tci tcl tco tcp tcr tct tcu te- tea teb tec tee tef tei tel teo tep ter tet teu tfa tfb tfc tfe tff tfi tfl tfo tfp tfr tft tfu tia tib tic tie tif tii til tio tip tir tit tiu tla tlc tle tlf tli tll tlo tlp tlr tlt tlu to- toa tob toc toe tof toi tol too top tor tot tou tpa tpb tpc tpe tpf tpi tpl tpo tpp tpr tpt tpu tra trb trc tre trf tri trl tro trp trr trt tru tta ttb ttc tte ttf tti ttl tto ttp ttr ttt ttu tua tub tuc tue tuf tui tul tuo tup tur tut tuu ua- uaa uab uac uae uaf uai ual uao uap uar uat uau uba ubb ubc ube ubf ubi ubl ubo ubp ubr ubt ubu uca ucb ucc uce ucf uci ucl uco ucp ucr uct ucu uea ueb uec uee uef uei uel uep uer uet ufa ufc ufe uff ufi ufl ufo ufp ufr uft ufu uia uib uic uie uif uii uil uio uip uir uit uiu ula ulb ulc ule ulf uli ull ulo ulp ulr ult ulu uoa uob uoc uoe uol uoo uop uor uot up- upa upb upc upe upf upi upo upp upr upt upu ur- ura urb urc ure urf uri url uro urp urr urt uru uta utb utc ute utf uti utl uto utp utr utt utu uua uuc uue uur uut uuu