-up a-a a-b a-c a-q aaa aab aac aak aap aaq aau ab- aba abb abc abk abp abq abu ac- aca acb acc ack acp acq acu aka akb akc akk akp aku ap- apa apb apc apk app apq apu aqa aqc aqp au- aua aub auc auk aup b-p b-u baa bab bac bak bap baq bau bba bbb bbc bbk bbp bbq bbu bca bcb bcc bck bcp bcq bcu bka bkb bkc bkk bkp bkq bpa bpb bpc bpp bpu bqc bqp bua bub buc buk bup buu c-- caa cab cac cak cap caq cau cba cbb cbc cbk cbp cbq cbu cca ccb ccc cck ccp ccu cka ckb ckc cpa cpb cpc cpk cpp cpq cpu cqa cqb cqc cua cub cuc cuk cup cuq cuu ka- kaa kab kac kak kap kau kba kbb kbc kbk kbp kbu kca kcb kcc kck kcp kcu kkb kkc kkk kkp kku kpa kpc kpk kpp kpq kpu kqa kub kuc kuk kup kuu p-p paa pab pac pak pap paq pau pba pbb pbc pbk pbp pbu pca pcb pcc pck pcp pcq pcu pka pkb pkc pkp pku ppa ppb ppc ppk ppp ppq ppu pqq pua pub puc puk pup puu qaa qac qap qau qba qbc qbq qca qcc qcp qpc qpp qqk qqq qqu qu- qua ua- uaa uab uac uak uap uaq uau uba ubb ubc ubk ubp ubu uca ucb ucc uck ucp ucu uka ukb ukc ukk ukp uku up- upa upb upc upk upp upu uua uuc uuu