-up a-a a-b a-t aaa aab aao aap aar aat aau aay ab- aba abb abo abp abr abt abu aby aoa aob aoo aop aor aot aou ap- apa apb apo app apr apt apu apy ar- ara arb aro arp arr art aru ary at- ata atb ato atp atr att atu au- aua aub auo aup aur aut ay- aya ayo ayp ayr ayt ayu b-p b-u baa bab bao bap bar bat bau bay bba bbb bbo bbp bbr bbt bbu bby boa bob boo bop bor bot bou boy bpa bpb bpo bpp bpr bpt bpu bpy bra brb bro brp brr brt bru bry bta btb bto btp btr btt btu bty bua bub buo bup bur but buu buy by- bya byo byp byr byt byu oaa oab oao oap oar oat oau ob- oba obb obo obp obr obt obu oby oo- ooa oob ooo oop oor oot op- opa opb opo opp opr opt opy or- ora orb oro orp orr ort oru ory ot- ota otb oto otp otr ott otu ou- oua ouo oup our out oya oyo p-p paa pab pao pap par pat pau pay pba pbb pbo pbp pbr pbt pbu pby poa pob poo pop por pot pou poy ppa ppb ppo ppp ppr ppt ppu pra prb pro prp prr prt pru pry pt- pta ptb pto ptp ptr ptt ptu pty pua pub pup pur put puu puy py- pya pyb pyo pyr pyt pyu ra- raa rab rao rap rar rat rau ray rba rbb rbo rbp rbr rbt rbu roa rob roo rop ror rot rou roy rpa rpb rpo rpp rpr rpt rpu rra rrb rrp rrr rrt rru rta rtb rto rtp rtr rtt rtu rty rua rub ruo rup rur rut ruu ruy ry- rya ryo ryr ryu ryy taa tab tao tap tar tat tau tay tba tbb tbo tbp tbr tbt tbu to- toa tob too top tor tot tou toy tpa tpb tpo tpp tpr tpt tpu tra trb tro trp trr trt tru try tta ttb tto ttp ttr ttt ttu tty tua tub tuo tup tur tut tuu tuy tya tyo typ tyr tyt ua- uaa uab uao uap uar uat uau uay uba ubb ubo ubp ubr ubt ubu uby uoa uob uoo uop uor uot up- upa upb upo upp upr upt upu ur- ura urb uro urp urr urt uru ury uta utb uto utp utr utt utu uty uua uur uut uuu uyo uyu yaa yab yao yap yar yat yau yay ybp ybr yby yob yoo yop yor yot you yoy ypa ypo ypu yra yro yrp yrt yru yta yto ytp ytr ytt ytu yua yuo yup yur yut yuu yuy yyb yyt yyu yyy