-up a-a a-b a-t aaa aab aak aap aar aat aau ab- aba abb abk abp abr abt abu aka akb akk akp akr aku ap- apa apb apk app apr apt apu ar- ara arb ark arp arr art aru at- ata atb atp atr att atu au- aua aub auk aup aur aut b-p b-u baa bab bak bap bar bat bau bba bbb bbk bbp bbr bbt bbu bka bkb bkk bkp bkr bkt bpa bpb bpp bpr bpt bpu bra brb brk brp brr brt bru bta btb btk btp btr btt btu bua bub buk bup bur but buu k-t ka- kaa kab kak kap kar kat kau kba kbb kbk kbp kbr kbu kkb kkk kkp kkr kkt kku kpa kpk kpp kpr kpt kpu kra krk krp krr krt kru kta ktb ktk ktp ktr ktt ktu kub kuk kup kur kut kuu p-p paa pab pak pap par pat pau pba pbb pbk pbp pbr pbt pbu pka pkb pkp pkr pkt pku ppa ppb ppk ppp ppr ppt ppu pra prb prk prp prr prt pru pt- pta ptb ptk ptp ptr ptt ptu pua pub puk pup pur put puu ra- raa rab rak rap rar rat rau rba rbb rbk rbp rbr rbt rbu rkb rkk rkp rkt rku rpa rpb rpk rpp rpr rpt rpu rra rrb rrk rrp rrr rrt rru rta rtb rtk rtp rtr rtt rtu rua rub ruk rup rur rut ruu taa tab tak tap tar tat tau tba tbb tbk tbp tbr tbt tbu tka tkb tkk tkp tkr tkt tpa tpb tpk tpp tpr tpt tpu tra trb trk trp trr trt tru tta ttb ttk ttp ttr ttt ttu tua tub tuk tup tur tut tuu ua- uaa uab uak uap uar uat uau uba ubb ubk ubp ubr ubt ubu uka ukb ukk ukp ukr uku up- upa upb upk upp upr upt upu ur- ura urb urk urp urr urt uru uta utb utk utp utr utt utu uua uur uut uuu