-up i-v iii iio iip iis iit iiu io- ioi ioo iop ios iot iou iov ipi ipo ipp ips ipt ipu ipv is- isi iso isp iss ist isu isv iti ito itp its itt itu itv iu- iui iup ius iut ivi ivo ivp ivs ivt ivu ivv o-i oii oio oip ois oit oiu oiv oo- ooi ooo oop oos oot oov op- opi opo opp ops opt opv os- osi oso osp oss ost osu osv ot- oti oto otp ots ott otu otv ou- oui ouo oup ous out ov- ovi ovo ovp ovs ovv p-p pii pio pip pis pit piu piv poi poo pop pos pot pou pov ppi ppo ppp pps ppt ppu ppv ps- psi pso psp pss pst psu psv pt- pti pto ptp pts ptt ptu ptv pui pup pus put puu pvi pvo pvp pvs pvt pvu pvv sii sio sip sis sit siu siv soi soo sop sos sot sou sov spi spo spp sps spt spu spv ss- ssi sso ssp sss sst ssu ssv sti sto stp sts stt stu stv sui suo sup sus sut suu suv svi svo svp svs svt svu svv tii tio tip tis tit tiu tiv to- toi too top tos tot tou tov tpi tpo tpp tps tpt tpu tpv tsi tso tsp tss tst tsu tsv tti tto ttp tts ttt ttu ttv tui tuo tup tus tut tuu tuv tvi tvo tvp tvs tvt tvu uii uio uip uis uit uiu uoo uop uos uot up- upi upo upp ups upt upu upv usi uso usp uss ust usu usv uti uto utp uts utt utu utv uus uut uuu uvo uvs uvu uvv vi- vii vio vip vis vit viu viv voi voo vop vos vot vou vov vpi vpo vpp vps vpt vpu vsi vso vsp vss vst vsu vsv vti vto vts vtt vtu vtv vup vus vut vuv vvi vvo vvs vvt vvv