nst nsu nta ntb ntc nth nti ntn nto ntp nts ntt ntu nua nub nuc nuh nui nul nun nuo nup nus nut nuu o-i oaa oab oac oah oai oal oan oao oap oas oat oau ob- oba obb obc obh obi obl obn obo obp obs obt obu oc- oca ocb occ och oci ocl ocn oco ocp ocs oct ocu oha ohc ohh ohi ohl ohn oho ohp ohs oht ohu oia oib oic oii oil oin oio oip ois oit oiu ola olb olc oli oll oln olo olp ols olt olu on- ona onb onc onh oni onl onn ono onp ons ont onu oo- ooa oob ooc ooh ooi ool oon ooo oop oos oot op- opa opb opc oph opi opl opn opo opp ops opt os- osa osb osc osh osi osl osn oso osp oss ost osu ot- ota otb otc oth oti otl otn oto otp ots ott otu ou- oua ouc ouh oui oul oun ouo oup ous out p-p paa pab pac pah pai pal pan pao pap pas pat pau pba pbb pbc pbi pbl pbn pbo pbp pbs pbt pbu pca pcb pcc pch pci pcl pcn pco pcp pcs pct pcu pha phb phc phi phl phn pho php phs pht phu pia pib pic pih pii pil pin pio pip pis pit piu pla plb plc plh pli pll pln plo plp pls plt plu pn- pna pnb pnc pnh pni pnl pnn pno pnp pns pnt pnu poa pob poc poh poi pol pon poo pop pos pot pou ppa ppb ppc pph ppi ppl ppn ppo ppp pps ppt ppu ps- psa psb psc psh psi psl psn pso psp pss pst psu pt- pta ptb ptc pth pti ptl ptn pto ptp pts ptt ptu pua pub puc puh pui pul pun pup pus put puu saa sab sac sah sai sal san sao sap sas sat sau sba sbb sbc sbh sbi sbl sbn sbo sbp sbs sbt sbu sca scb scc sch sci scl scn sco scp scs sct scu sh- sha shb shc shh shi shl shn sho shp shs sht shu sia sib sic sih sii sil sin sio sip sis sit siu sla slb slc slh sli sll sln slo slp sls slt slu sna snb snc sni snl snn sno snp sns snt snu soa sob soc soh soi sol son soo sop sos sot sou spa spb spc sph spi spl spn spo spp sps spt spu ss- ssa ssb ssc ssh ssi ssl ssn sso ssp sss sst ssu sta stb stc sth sti stl stn sto stp sts stt stu sua sub suc suh sui sul sun suo sup sus sut suu taa tab tac tah tai tal tan tao tap tas tat tau tba tbb tbc tbh tbi tbl tbn tbo tbp tbs tbt tbu tca tcb tcc tch tci tcl tcn tco tcp tcs tct tcu th- tha thb thc thh thi thl thn tho thp ths tht thu tia tib tic tih tii til tin tio tip tis tit tiu tla tlc tlh tli tll tln tlo tlp tls tlt tlu tna tnb tnc tnh tni tnl tnn tno tnp tns tnt to- toa tob toc toh toi tol ton too top tos tot tou tpa tpb tpc tph tpi tpl tpn tpo tpp tps tpt tpu tsa tsb tsc tsh tsi tsl tsn tso tsp tss tst tsu tta ttb ttc tth tti ttl ttn tto ttp tts ttt ttu tua tub tuc tuh tui tul tun tuo tup tus tut tuu ua- uaa uab uac uah uai ual uan uao uap uas uat uau uba ubb ubc ubh ubi ubl ubn ubo ubp ubs ubt ubu uca ucb ucc uch uci ucl ucn uco ucp ucs uct ucu uha uhb uhc uhh uhi uhl uho uhp uhs uht uhu uia uib uic uii uil uin uio uip uis uit uiu ula ulb ulc uli ull uln ulo ulp uls ult ulu un- una unb unc unh uni unl unn uno unp uns unt unu uoa uob uoc uol uon uoo uop uos uot up- upa upb upc uph upi upn upo upp ups upt upu usa usb usc ush usi usl usn uso usp uss ust usu uta utb utc uth uti utl utn uto utp uts utt utu uua uuc uun uus uut uuu